5109157720 has 32 divisors (see below), whose sum is σ = 11609431920. Its totient is φ = 2023427200.

The previous prime is 5109157717. The next prime is 5109157727. The reversal of 5109157720 is 277519015.

It is a super-2 number, since 2×5109157720² = 52206985215671196800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5109157720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109157727) 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, 628282 + ... + 636361.

Almost surely, 2^5109157720 is an apocalyptic number.

It is an amenable number.

5109157720 is an abundant number, since it is smaller than the sum of its proper divisors (6500274200).

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

5109157720 is a wasteful number, since it uses less digits than its factorization.

5109157720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264755 (or 1264751 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 5109157720 is about 71478.3723933331. The cubic root of 5109157720 is about 1722.3302784755.

It can be divided in two parts, 51091 and 57720, that added together give a triangular number (108811 = T₄₆₆).

The spelling of 5109157720 in words is "five billion, one hundred nine million, one hundred fifty-seven thousand, seven hundred twenty".