251115001552050 has 96 divisors (see below), whose sum is σ = 624327531105600. Its totient is φ = 66796218716160.

The previous prime is 251115001552049. The next prime is 251115001552099. The reversal of 251115001552050 is 50255100511152.

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 47 ways as a sum of consecutive naturals, for example, 94187746 + ... + 96817154.

It is an arithmetic number, because the mean of its divisors is an integer number (6503411782350).

Almost surely, 2^{251115001552050} is an apocalyptic number.

251115001552050 is an abundant number, since it is smaller than the sum of its proper divisors (373212529553550).

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

251115001552050 is a wasteful number, since it uses less digits than its factorization.

251115001552050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631020 (or 2631015 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 33.

The spelling of 251115001552050 in words is "two hundred fifty-one trillion, one hundred fifteen billion, one million, five hundred fifty-two thousand, fifty".