25720731071072 has 48 divisors (see below), whose sum is σ = 53040238352640. Its totient is φ = 12254446419072.

The previous prime is 25720731071071. The next prime is 25720731071089. The reversal of 25720731071072 is 27017013702752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25720731071071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66244922 + ... + 66632057.

It is an arithmetic number, because the mean of its divisors is an integer number (1105004965680).

Almost surely, 2^{25720731071072} is an apocalyptic number.

It is an amenable number.

25720731071072 is an abundant number, since it is smaller than the sum of its proper divisors (27319507281568).

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

25720731071072 is a wasteful number, since it uses less digits than its factorization.

25720731071072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132877275 (or 132877267 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 44.

The spelling of 25720731071072 in words is "twenty-five trillion, seven hundred twenty billion, seven hundred thirty-one million, seventy-one thousand, seventy-two".