11313520042440 has 192 divisors, whose sum is σ = 42636075914880. Its totient is φ = 2350861286400.

The previous prime is 11313520042403. The next prime is 11313520042477. The reversal of 11313520042440 is 4424002531311.

It is an interprime number because it is at equal distance from previous prime (11313520042403) and next prime (11313520042477).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11313520042398 and 11313520042407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55553221 + ... + 55756500.

It is an arithmetic number, because the mean of its divisors is an integer number (222062895390).

Almost surely, 2^{11313520042440} is an apocalyptic number.

11313520042440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313520042440 is an abundant number, since it is smaller than the sum of its proper divisors (31322555872440).

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

11313520042440 is a wasteful number, since it uses less digits than its factorization.

11313520042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111309764 (or 111309749 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11313520042440 its reverse (4424002531311), we get a palindrome (15737522573751).

The spelling of 11313520042440 in words is "eleven trillion, three hundred thirteen billion, five hundred twenty million, forty-two thousand, four hundred forty".