25256359136451 has 16 divisors (see below), whose sum is σ = 33990237857664. Its totient is φ = 16680030025344.

The previous prime is 25256359136419. The next prime is 25256359136453. The reversal of 25256359136451 is 15463195365252.

It is not a de Polignac number, because 25256359136451 - 2⁵ = 25256359136419 is a prime.

It is a super-3 number, since 3×25256359136451³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25256359136391 and 25256359136400.

It is not an unprimeable number, because it can be changed into a prime (25256359136453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33053451 + ... + 33808923.

It is an arithmetic number, because the mean of its divisors is an integer number (2124389866104).

Almost surely, 2^{25256359136451} is an apocalyptic number.

25256359136451 is a deficient number, since it is larger than the sum of its proper divisors (8733878721213).

25256359136451 is a wasteful number, since it uses less digits than its factorization.

25256359136451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859730.

The product of its digits is 29160000, while the sum is 57.

The spelling of 25256359136451 in words is "twenty-five trillion, two hundred fifty-six billion, three hundred fifty-nine million, one hundred thirty-six thousand, four hundred fifty-one".