50551010111 has 4 divisors (see below), whose sum is σ = 57772582992. Its totient is φ = 43329437232.

The previous prime is 50551010099. The next prime is 50551010119. The reversal of 50551010111 is 11101015505.

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

It is a cyclic number.

It is not a de Polignac number, because 50551010111 - 2¹⁸ = 50550747967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551010119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3610786430 + ... + 3610786443.

It is an arithmetic number, because the mean of its divisors is an integer number (14443145748).

Almost surely, 2^50551010111 is an apocalyptic number.

50551010111 is a deficient number, since it is larger than the sum of its proper divisors (7221572881).

50551010111 is an equidigital number, since it uses as much as digits as its factorization.

50551010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221572880.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 50551010111 its reverse (11101015505), we get a palindrome (61652025616).

The spelling of 50551010111 in words is "fifty billion, five hundred fifty-one million, ten thousand, one hundred eleven".