25715608046 has 4 divisors (see below), whose sum is σ = 38573412072. Its totient is φ = 12857804022.

The previous prime is 25715608031. The next prime is 25715608057. The reversal of 25715608046 is 64080651752.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×25715608046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25715607988 and 25715608006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6428902010 + ... + 6428902013.

It is an arithmetic number, because the mean of its divisors is an integer number (9643353018).

Almost surely, 2^25715608046 is an apocalyptic number.

25715608046 is a deficient number, since it is larger than the sum of its proper divisors (12857804026).

25715608046 is a wasteful number, since it uses less digits than its factorization.

25715608046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857804025.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 25715608046 in words is "twenty-five billion, seven hundred fifteen million, six hundred eight thousand, forty-six".