25505055050 has 24 divisors (see below), whose sum is σ = 47482514496. Its totient is φ = 10192750640.

The previous prime is 25505055049. The next prime is 25505055073. The reversal of 25505055050 is 5055050552.

It is a super-5 number, since 5×25505055050⁵ (a number of 53 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25505054998 and 25505055016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176084 + ... + 286383.

It is an arithmetic number, because the mean of its divisors is an integer number (1978438104).

Almost surely, 2^25505055050 is an apocalyptic number.

25505055050 is a deficient number, since it is larger than the sum of its proper divisors (21977459446).

25505055050 is a wasteful number, since it uses less digits than its factorization.

25505055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463582 (or 463577 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 32.

The spelling of 25505055050 in words is "twenty-five billion, five hundred five million, fifty-five thousand, fifty".