250115132550 has 48 divisors (see below), whose sum is σ = 620515172880. Its totient is φ = 66672675840.

The previous prime is 250115132543. The next prime is 250115132587. The reversal of 250115132550 is 55231511052.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 99646 + ... + 714254.

It is an arithmetic number, because the mean of its divisors is an integer number (12927399435).

Almost surely, 2^250115132550 is an apocalyptic number.

250115132550 is an abundant number, since it is smaller than the sum of its proper divisors (370400040330).

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

250115132550 is a wasteful number, since it uses less digits than its factorization.

250115132550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617337 (or 617332 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 250115132550 in words is "two hundred fifty billion, one hundred fifteen million, one hundred thirty-two thousand, five hundred fifty".