25006580650 has 24 divisors (see below), whose sum is σ = 47300588640. Its totient is φ = 9833094960.

The previous prime is 25006580623. The next prime is 25006580653. The reversal of 25006580650 is 5608560052.

It is not an unprimeable number, because it can be changed into a prime (25006580653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4235454 + ... + 4241353.

It is an arithmetic number, because the mean of its divisors is an integer number (1970857860).

Almost surely, 2^25006580650 is an apocalyptic number.

25006580650 is a deficient number, since it is larger than the sum of its proper divisors (22294007990).

25006580650 is a wasteful number, since it uses less digits than its factorization.

25006580650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476878 (or 8476873 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 25006580650 in words is "twenty-five billion, six million, five hundred eighty thousand, six hundred fifty".