25712159704 has 128 divisors (see below), whose sum is σ = 61114982400. Its totient is φ = 9850688640.

The previous prime is 25712159689. The next prime is 25712159723. The reversal of 25712159704 is 40795121752.

It is a super-2 number, since 2×25712159704² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13770979 + ... + 13772845.

It is an arithmetic number, because the mean of its divisors is an integer number (477460800).

Almost surely, 2^25712159704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25712159704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30557491200).

25712159704 is an abundant number, since it is smaller than the sum of its proper divisors (35402822696).

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

25712159704 is a wasteful number, since it uses less digits than its factorization.

25712159704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 25712159704 in words is "twenty-five billion, seven hundred twelve million, one hundred fifty-nine thousand, seven hundred four".