25055440135250 has 64 divisors (see below), whose sum is σ = 54483084145152. Its totient is φ = 8449609752000.

The previous prime is 25055440135217. The next prime is 25055440135283. The reversal of 25055440135250 is 5253104455052.

It is an interprime number because it is at equal distance from previous prime (25055440135217) and next prime (25055440135283).

It is a junction number, because it is equal to n+sod(n) for n = 25055440135198 and 25055440135207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117248942 + ... + 117462441.

It is an arithmetic number, because the mean of its divisors is an integer number (851298189768).

Almost surely, 2^{25055440135250} is an apocalyptic number.

25055440135250 is an abundant number, since it is smaller than the sum of its proper divisors (29427644009902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25055440135250 is a wasteful number, since it uses less digits than its factorization.

25055440135250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234711468 (or 234711458 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 25055440135250 in words is "twenty-five trillion, fifty-five billion, four hundred forty million, one hundred thirty-five thousand, two hundred fifty".