11552255625 has 80 divisors (see below), whose sum is σ = 20000597760. Its totient is φ = 5924160000.

The previous prime is 11552255623. The next prime is 11552255629. The reversal of 11552255625 is 52655225511.

It is not a de Polignac number, because 11552255625 - 2¹ = 11552255623 is a prime.

It is a super-2 number, since 2×11552255625² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11552255623) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6173440 + ... + 6175310.

It is an arithmetic number, because the mean of its divisors is an integer number (250007472).

Almost surely, 2^11552255625 is an apocalyptic number.

11552255625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11552255625 is a deficient number, since it is larger than the sum of its proper divisors (8448342135).

11552255625 is an equidigital number, since it uses as much as digits as its factorization.

11552255625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020 (or 2005 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The spelling of 11552255625 in words is "eleven billion, five hundred fifty-two million, two hundred fifty-five thousand, six hundred twenty-five".