50105521215 has 32 divisors (see below), whose sum is σ = 89091075840. Its totient is φ = 26718566688.

The previous prime is 50105521153. The next prime is 50105521237. The reversal of 50105521215 is 51212550105.

It is a de Polignac number, because none of the positive numbers 2^k-50105521215 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 902244 + ... + 956166.

It is an arithmetic number, because the mean of its divisors is an integer number (2784096120).

Almost surely, 2^50105521215 is an apocalyptic number.

50105521215 is a deficient number, since it is larger than the sum of its proper divisors (38985554625).

50105521215 is a wasteful number, since it uses less digits than its factorization.

50105521215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60820 (or 60814 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 50105521215 in words is "fifty billion, one hundred five million, five hundred twenty-one thousand, two hundred fifteen".