11402400025 has 24 divisors (see below), whose sum is σ = 14377673024. Its totient is φ = 8968449600.

The previous prime is 11402400017. The next prime is 11402400073. The reversal of 11402400025 is 52000420411.

It is not a de Polignac number, because 11402400025 - 2³ = 11402400017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11402399975 and 11402400011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 899884 + ... + 912466.

Almost surely, 2^11402400025 is an apocalyptic number.

It is an amenable number.

11402400025 is a deficient number, since it is larger than the sum of its proper divisors (2975272999).

11402400025 is a wasteful number, since it uses less digits than its factorization.

11402400025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201 (or 13196 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 11402400025 its reverse (52000420411), we get a palindrome (63402820436).

The spelling of 11402400025 in words is "eleven billion, four hundred two million, four hundred thousand, twenty-five".