5111105505506 has 64 divisors (see below), whose sum is σ = 10438676914176. Its totient is φ = 1812270196800.

The previous prime is 5111105505487. The next prime is 5111105505581. The reversal of 5111105505506 is 6055055011115.

It is a super-2 number, since 2×5111105505506² (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 31 ways as a sum of consecutive naturals, for example, 17836730 + ... + 18121013.

It is an arithmetic number, because the mean of its divisors is an integer number (163104326784).

Almost surely, 2^{5111105505506} is an apocalyptic number.

5111105505506 is an abundant number, since it is smaller than the sum of its proper divisors (5327571408670).

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

5111105505506 is a wasteful number, since it uses less digits than its factorization.

5111105505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35957847.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 5111105505506 in words is "five trillion, one hundred eleven billion, one hundred five million, five hundred five thousand, five hundred six".