5151556072 has 64 divisors (see below), whose sum is σ = 10665446400. Its totient is φ = 2317870080.

The previous prime is 5151556061. The next prime is 5151556141. The reversal of 5151556072 is 2706551515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322704 + ... + 1326592.

It is an arithmetic number, because the mean of its divisors is an integer number (166647600).

Almost surely, 2^5151556072 is an apocalyptic number.

5151556072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5151556072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5332723200).

5151556072 is an abundant number, since it is smaller than the sum of its proper divisors (5513890328).

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

5151556072 is a wasteful number, since it uses less digits than its factorization.

5151556072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 5151556072 is about 71774.3413205583. The cubic root of 5151556072 is about 1727.0814135318.

The spelling of 5151556072 in words is "five billion, one hundred fifty-one million, five hundred fifty-six thousand, seventy-two".