25271504733216 has 96 divisors (see below), whose sum is σ = 76268493665280. Its totient is φ = 7177193784576.

The previous prime is 25271504733199. The next prime is 25271504733227. The reversal of 25271504733216 is 61233740517252.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112481806 + ... + 112706253.

It is an arithmetic number, because the mean of its divisors is an integer number (794463475680).

Almost surely, 2^{25271504733216} is an apocalyptic number.

It is an amenable number.

25271504733216 is an abundant number, since it is smaller than the sum of its proper divisors (50996988932064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25271504733216 is a wasteful number, since it uses less digits than its factorization.

25271504733216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225188246 (or 225188238 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 25271504733216 in words is "twenty-five trillion, two hundred seventy-one billion, five hundred four million, seven hundred thirty-three thousand, two hundred sixteen".