50111010506 has 4 divisors (see below), whose sum is σ = 75166515762. Its totient is φ = 25055505252.

The previous prime is 50111010503. The next prime is 50111010553. The reversal of 50111010506 is 60501011105.

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

It can be written as a sum of positive squares in only one way, i.e., 26067717025 + 24043293481 = 161455^2 + 155059^2 .

It is a super-2 number, since 2×50111010506² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50111010503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527752625 + ... + 12527752628.

Almost surely, 2^50111010506 is an apocalyptic number.

50111010506 is a deficient number, since it is larger than the sum of its proper divisors (25055505256).

50111010506 is a wasteful number, since it uses less digits than its factorization.

50111010506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055505255.

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 50111010506 in words is "fifty billion, one hundred eleven million, ten thousand, five hundred six".