25755582508 has 6 divisors (see below), whose sum is σ = 45072269396. Its totient is φ = 12877791252.

The previous prime is 25755582389. The next prime is 25755582583. The reversal of 25755582508 is 80528555752.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3219447810 + ... + 3219447817.

Almost surely, 2^25755582508 is an apocalyptic number.

It is an amenable number.

25755582508 is a deficient number, since it is larger than the sum of its proper divisors (19316686888).

25755582508 is a wasteful number, since it uses less digits than its factorization.

25755582508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438895631 (or 6438895629 counting only the distinct ones).

The product of its (nonzero) digits is 5600000, while the sum is 52.

The spelling of 25755582508 in words is "twenty-five billion, seven hundred fifty-five million, five hundred eighty-two thousand, five hundred eight".