50911111045 has 4 divisors (see below), whose sum is σ = 61093333260. Its totient is φ = 40728888832.

The previous prime is 50911111019. The next prime is 50911111051. The reversal of 50911111045 is 54011111905.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8926281441 + 41984829604 = 94479^2 + 204902^2 .

It is a cyclic number.

It is not a de Polignac number, because 50911111045 - 2⁹ = 50911110533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091111100 + ... + 5091111109.

It is an arithmetic number, because the mean of its divisors is an integer number (15273333315).

Almost surely, 2^50911111045 is an apocalyptic number.

It is an amenable number.

50911111045 is a deficient number, since it is larger than the sum of its proper divisors (10182222215).

50911111045 is a wasteful number, since it uses less digits than its factorization.

50911111045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182222214.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 50911111045 in words is "fifty billion, nine hundred eleven million, one hundred eleven thousand, forty-five".