25371014216 has 8 divisors (see below), whose sum is σ = 47570651670. Its totient is φ = 12685507104.

The previous prime is 25371014197. The next prime is 25371014233. The reversal of 25371014216 is 61241017352.

It can be written as a sum of positive squares in only one way, i.e., 22065914116 + 3305100100 = 148546^2 + 57490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585688381 + ... + 1585688396.

Almost surely, 2^25371014216 is an apocalyptic number.

It is an amenable number.

25371014216 is a deficient number, since it is larger than the sum of its proper divisors (22199637454).

25371014216 is a wasteful number, since it uses less digits than its factorization.

25371014216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171376783 (or 3171376779 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 25371014216 in words is "twenty-five billion, three hundred seventy-one million, fourteen thousand, two hundred sixteen".