11231555425 has 12 divisors (see below), whose sum is σ = 13976350000. Its totient is φ = 8953488720.

The previous prime is 11231555417. The next prime is 11231555429. The reversal of 11231555425 is 52455513211.

It is not a de Polignac number, because 11231555425 - 2³ = 11231555417 is a prime.

It is a super-2 number, since 2×11231555425² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231555429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786675 + ... + 800824.

Almost surely, 2^11231555425 is an apocalyptic number.

It is an amenable number.

11231555425 is a deficient number, since it is larger than the sum of its proper divisors (2744794575).

11231555425 is a wasteful number, since it uses less digits than its factorization.

11231555425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587792 (or 1587787 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The spelling of 11231555425 in words is "eleven billion, two hundred thirty-one million, five hundred fifty-five thousand, four hundred twenty-five".