5111106660920 has 96 divisors (see below), whose sum is σ = 12454211473200. Its totient is φ = 1886941495296.

The previous prime is 5111106660901. The next prime is 5111106660923. The reversal of 5111106660920 is 290666011115.

It is a super-2 number, since 2×5111106660920² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111106660923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59465336 + ... + 59551224.

Almost surely, 2^{5111106660920} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111106660920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6227105736600).

5111106660920 is an abundant number, since it is smaller than the sum of its proper divisors (7343104812280).

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

5111106660920 is a wasteful number, since it uses less digits than its factorization.

5111106660920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94729 (or 94712 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 5111106660920 in words is "five trillion, one hundred eleven billion, one hundred six million, six hundred sixty thousand, nine hundred twenty".