50257611011 has 4 divisors (see below), whose sum is σ = 50590443024. Its totient is φ = 49924779000.

The previous prime is 50257610987. The next prime is 50257611097. The reversal of 50257611011 is 11011675205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11011675205 = 5 ⋅2202335041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50257611011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50257611611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166415780 + ... + 166416081.

It is an arithmetic number, because the mean of its divisors is an integer number (12647610756).

Almost surely, 2^50257611011 is an apocalyptic number.

50257611011 is a deficient number, since it is larger than the sum of its proper divisors (332832013).

50257611011 is a wasteful number, since it uses less digits than its factorization.

50257611011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332832012.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 50257611011 in words is "fifty billion, two hundred fifty-seven million, six hundred eleven thousand, eleven".