5161571050506 has 32 divisors (see below), whose sum is σ = 11124955860480. Its totient is φ = 1587072007104.

The previous prime is 5161571050417. The next prime is 5161571050511. The reversal of 5161571050506 is 6050501751615.

It is a super-2 number, since 2×5161571050506² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22880805 + ... + 23105288.

It is an arithmetic number, because the mean of its divisors is an integer number (347654870640).

Almost surely, 2^{5161571050506} is an apocalyptic number.

5161571050506 is an abundant number, since it is smaller than the sum of its proper divisors (5963384809974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161571050506 is a wasteful number, since it uses less digits than its factorization.

5161571050506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45987550.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 5161571050506 in words is "five trillion, one hundred sixty-one billion, five hundred seventy-one million, fifty thousand, five hundred six".