5156515380 has 48 divisors (see below), whose sum is σ = 14449034880. Its totient is φ = 1374043008.

The previous prime is 5156515373. The next prime is 5156515423. The reversal of 5156515380 is 835156515.

It is a congruent number.

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, 50586 + ... + 113454.

It is an arithmetic number, because the mean of its divisors is an integer number (301021560).

Almost surely, 2^5156515380 is an apocalyptic number.

It is an amenable number.

5156515380 is an abundant number, since it is smaller than the sum of its proper divisors (9292519500).

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

5156515380 is a wasteful number, since it uses less digits than its factorization.

5156515380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64248 (or 64246 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The square root of 5156515380 is about 71808.8809270831. The cubic root of 5156515380 is about 1727.6354455902.

The spelling of 5156515380 in words is "five billion, one hundred fifty-six million, five hundred fifteen thousand, three hundred eighty".