11402041520 has 20 divisors (see below), whose sum is σ = 26509746720. Its totient is φ = 4560816576.

The previous prime is 11402041517. The next prime is 11402041523. The reversal of 11402041520 is 2514020411.

It is a happy number.

11402041520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11402041517) and next prime (11402041523).

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11402041492 and 11402041501.

It is not an unprimeable number, because it can be changed into a prime (11402041523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71262680 + ... + 71262839.

It is an arithmetic number, because the mean of its divisors is an integer number (1325487336).

Almost surely, 2^11402041520 is an apocalyptic number.

11402041520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11402041520 is an abundant number, since it is smaller than the sum of its proper divisors (15107705200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11402041520 is a wasteful number, since it uses less digits than its factorization.

11402041520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142525532 (or 142525526 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11402041520 its reverse (2514020411), we get a palindrome (13916061931).

The spelling of 11402041520 in words is "eleven billion, four hundred two million, forty-one thousand, five hundred twenty".