25750785556 has 12 divisors (see below), whose sum is σ = 47023173792. Its totient is φ = 12315593048.

The previous prime is 25750785517. The next prime is 25750785583. The reversal of 25750785556 is 65558705752.

It is a junction number, because it is equal to n+sod(n) for n = 25750785497 and 25750785506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139949830 + ... + 139950013.

It is an arithmetic number, because the mean of its divisors is an integer number (3918597816).

Almost surely, 2^25750785556 is an apocalyptic number.

It is an amenable number.

25750785556 is a deficient number, since it is larger than the sum of its proper divisors (21272388236).

25750785556 is a wasteful number, since it uses less digits than its factorization.

25750785556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279899870 (or 279899868 counting only the distinct ones).

The product of its (nonzero) digits is 14700000, while the sum is 55.

The spelling of 25750785556 in words is "twenty-five billion, seven hundred fifty million, seven hundred eighty-five thousand, five hundred fifty-six".