50891251411 has 16 divisors (see below), whose sum is σ = 68329513728. Its totient is φ = 36605095200.

The previous prime is 50891251379. The next prime is 50891251451. The reversal of 50891251411 is 11415219805.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50891251411 - 2⁵ = 50891251379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50891251451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25419205 + ... + 25421206.

It is an arithmetic number, because the mean of its divisors is an integer number (4270594608).

Almost surely, 2^50891251411 is an apocalyptic number.

50891251411 is a deficient number, since it is larger than the sum of its proper divisors (17438262317).

50891251411 is a wasteful number, since it uses less digits than its factorization.

50891251411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50840442.

The product of its (nonzero) digits is 14400, while the sum is 37.

The spelling of 50891251411 in words is "fifty billion, eight hundred ninety-one million, two hundred fifty-one thousand, four hundred eleven".