5115686772 has 96 divisors (see below), whose sum is σ = 14291730432. Its totient is φ = 1392500736.

The previous prime is 5115686761. The next prime is 5115686813. The reversal of 5115686772 is 2776865115.

It is a super-2 number, since 2×5115686772² = 52340502298431559968, which contains 22 as substring.

It is a congruent number.

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, 491373 + ... + 501675.

It is an arithmetic number, because the mean of its divisors is an integer number (148872192).

Almost surely, 2^5115686772 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 5115686772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7145865216).

5115686772 is an abundant number, since it is smaller than the sum of its proper divisors (9176043660).

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

5115686772 is a wasteful number, since it uses less digits than its factorization.

5115686772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597 (or 10595 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 5115686772 is about 71524.0293328053. The cubic root of 5115686772 is about 1723.0636281355.

The spelling of 5115686772 in words is "five billion, one hundred fifteen million, six hundred eighty-six thousand, seven hundred seventy-two".