5111515020 has 24 divisors (see below), whose sum is σ = 14312242224. Its totient is φ = 1363070656.

The previous prime is 5111514937. The next prime is 5111515021. The reversal of 5111515020 is 205151115.

It is a super-2 number, since 2×5111515020² = 52255171599371200800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5111515021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42595899 + ... + 42596018.

It is an arithmetic number, because the mean of its divisors is an integer number (596343426).

Almost surely, 2^5111515020 is an apocalyptic number.

It is an amenable number.

5111515020 is an abundant number, since it is smaller than the sum of its proper divisors (9200727204).

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

5111515020 is a wasteful number, since it uses less digits than its factorization.

5111515020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85191929 (or 85191927 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 5111515020 is about 71494.8600949747. The cubic root of 5111515020 is about 1722.5951247985.

Adding to 5111515020 its reverse (205151115), we get a palindrome (5316666135).

The spelling of 5111515020 in words is "five billion, one hundred eleven million, five hundred fifteen thousand, twenty".