25565650755 has 32 divisors (see below), whose sum is σ = 41607578880. Its totient is φ = 13402780800.

The previous prime is 25565650717. The next prime is 25565650771. The reversal of 25565650755 is 55705656552.

It is not a de Polignac number, because 25565650755 - 2²⁶ = 25498541891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25565650698 and 25565650707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149884 + ... + 271286.

It is an arithmetic number, because the mean of its divisors is an integer number (1300236840).

Almost surely, 2^25565650755 is an apocalyptic number.

25565650755 is a deficient number, since it is larger than the sum of its proper divisors (16041928125).

25565650755 is a wasteful number, since it uses less digits than its factorization.

25565650755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121651.

The product of its (nonzero) digits is 7875000, while the sum is 51.

The spelling of 25565650755 in words is "twenty-five billion, five hundred sixty-five million, six hundred fifty thousand, seven hundred fifty-five".