50165505501155 has 12 divisors (see below), whose sum is σ = 66168716347776. Its totient is φ = 36484004000400.

The previous prime is 50165505501143. The next prime is 50165505501157. The reversal of 50165505501155 is 55110550556105.

It is not a de Polignac number, because 50165505501155 - 2¹⁴ = 50165505484771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50165505501157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41459094851 + ... + 41459096060.

It is an arithmetic number, because the mean of its divisors is an integer number (5514059695648).

Almost surely, 2^{50165505501155} is an apocalyptic number.

50165505501155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50165505501155 is a deficient number, since it is larger than the sum of its proper divisors (16003210846621).

50165505501155 is a wasteful number, since it uses less digits than its factorization.

50165505501155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82918190938 (or 82918190927 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 50165505501155 in words is "fifty trillion, one hundred sixty-five billion, five hundred five million, five hundred one thousand, one hundred fifty-five".