50211256898881 has 16 divisors (see below), whose sum is σ = 57270643920000. Its totient is φ = 43610122545408.

The previous prime is 50211256898809. The next prime is 50211256898963. The reversal of 50211256898881 is 18889865211205.

It is a cyclic number.

It is not a de Polignac number, because 50211256898881 - 2⁷ = 50211256898753 is a prime.

It is a super-2 number, since 2×50211256898881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50211256898681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31317381 + ... + 32881618.

It is an arithmetic number, because the mean of its divisors is an integer number (3579415245000).

Almost surely, 2^{50211256898881} is an apocalyptic number.

It is an amenable number.

50211256898881 is a deficient number, since it is larger than the sum of its proper divisors (7059387021119).

50211256898881 is a wasteful number, since it uses less digits than its factorization.

50211256898881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64202568.

The product of its (nonzero) digits is 22118400, while the sum is 64.

The spelling of 50211256898881 in words is "fifty trillion, two hundred eleven billion, two hundred fifty-six million, eight hundred ninety-eight thousand, eight hundred eighty-one".