25318112965951 has 32 divisors (see below), whose sum is σ = 29266566537600. Its totient is φ = 21693349269504.

The previous prime is 25318112965933. The next prime is 25318112965963. The reversal of 25318112965951 is 15956921181352.

It is a cyclic number.

It is not a de Polignac number, because 25318112965951 - 2⁷ = 25318112965823 is a prime.

It is a super-2 number, since 2×25318112965951² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25318112965051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448453041 + ... + 448509493.

It is an arithmetic number, because the mean of its divisors is an integer number (914580204300).

Almost surely, 2^{25318112965951} is an apocalyptic number.

25318112965951 is a deficient number, since it is larger than the sum of its proper divisors (3948453571649).

25318112965951 is a wasteful number, since it uses less digits than its factorization.

25318112965951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84355.

The product of its digits is 5832000, while the sum is 58.

The spelling of 25318112965951 in words is "twenty-five trillion, three hundred eighteen billion, one hundred twelve million, nine hundred sixty-five thousand, nine hundred fifty-one".