25012755105 has 32 divisors (see below), whose sum is σ = 45367271040. Its totient is φ = 11665866240.

The previous prime is 25012755073. The next prime is 25012755107. The reversal of 25012755105 is 50155721052.

It is not a de Polignac number, because 25012755105 - 2⁵ = 25012755073 is a prime.

It is a super-2 number, since 2×25012755105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25012755107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3371836 + ... + 3379245.

It is an arithmetic number, because the mean of its divisors is an integer number (1417727220).

Almost surely, 2^25012755105 is an apocalyptic number.

It is an amenable number.

25012755105 is a deficient number, since it is larger than the sum of its proper divisors (20354515935).

25012755105 is a wasteful number, since it uses less digits than its factorization.

25012755105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751121.

The product of its (nonzero) digits is 17500, while the sum is 33.

The spelling of 25012755105 in words is "twenty-five billion, twelve million, seven hundred fifty-five thousand, one hundred five".