11402001013 has 4 divisors (see below), whose sum is σ = 12279078028. Its totient is φ = 10524924000.

The previous prime is 11402001011. The next prime is 11402001043. The reversal of 11402001013 is 31010020411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6133709124 + 5268291889 = 78318^2 + 72583^2 .

It is a cyclic number.

It is not a de Polignac number, because 11402001013 - 2¹ = 11402001011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 877077001 = 11402001013 / (1 + 1 + 4 + 0 + 2 + 0 + 0 + 1 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11402000984 and 11402001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438538488 + ... + 438538513.

It is an arithmetic number, because the mean of its divisors is an integer number (3069769507).

Almost surely, 2^11402001013 is an apocalyptic number.

11402001013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11402001013 is a deficient number, since it is larger than the sum of its proper divisors (877077015).

11402001013 is an equidigital number, since it uses as much as digits as its factorization.

11402001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877077014.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11402001013 its reverse (31010020411), we get a palindrome (42412021424).

The spelling of 11402001013 in words is "eleven billion, four hundred two million, one thousand, thirteen".