25512313000155 has 32 divisors (see below), whose sum is σ = 41117083660800. Its totient is φ = 13507457010432.

The previous prime is 25512313000093. The next prime is 25512313000157. The reversal of 25512313000155 is 55100031321552.

It is a happy number.

It is not a de Polignac number, because 25512313000155 - 2²¹ = 25512310903003 is a prime.

It is a super-2 number, since 2×25512313000155² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25512313000157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22756666 + ... + 23851424.

It is an arithmetic number, because the mean of its divisors is an integer number (1284908864400).

Almost surely, 2^{25512313000155} is an apocalyptic number.

25512313000155 is a deficient number, since it is larger than the sum of its proper divisors (15604770660645).

25512313000155 is a wasteful number, since it uses less digits than its factorization.

25512313000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106083.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 25512313000155 in words is "twenty-five trillion, five hundred twelve billion, three hundred thirteen million, one hundred fifty-five", and thus it is an aban number.