5151978120 has 64 divisors (see below), whose sum is σ = 15496427520. Its totient is φ = 1370261504.

The previous prime is 5151978107. The next prime is 5151978131. The reversal of 5151978120 is 218791515.

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, 10089 + ... + 102008.

It is an arithmetic number, because the mean of its divisors is an integer number (242131680).

Almost surely, 2^5151978120 is an apocalyptic number.

It is an amenable number.

5151978120 is an abundant number, since it is smaller than the sum of its proper divisors (10344449400).

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

5151978120 is a wasteful number, since it uses less digits than its factorization.

5151978120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112494 (or 112490 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 39.

The square root of 5151978120 is about 71777.2813639525. The cubic root of 5151978120 is about 1727.1285767152.

The spelling of 5151978120 in words is "five billion, one hundred fifty-one million, nine hundred seventy-eight thousand, one hundred twenty".