25055000005 has 24 divisors (see below), whose sum is σ = 34933856256. Its totient is φ = 16898834880.

The previous prime is 25054999999. The next prime is 25055000023. The reversal of 25055000005 is 50000055052.

It is not a de Polignac number, because 25055000005 - 2⁵ = 25054999973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25055000005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34044 + ... + 226426.

It is an arithmetic number, because the mean of its divisors is an integer number (1455577344).

Almost surely, 2^25055000005 is an apocalyptic number.

It is an amenable number.

25055000005 is a deficient number, since it is larger than the sum of its proper divisors (9878856251).

25055000005 is an equidigital number, since it uses as much as digits as its factorization.

25055000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192517 (or 192456 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

Adding to 25055000005 its reverse (50000055052), we get a palindrome (75055055057).

The spelling of 25055000005 in words is "twenty-five billion, fifty-five million, five", and thus it is an aban number and an uban number.