5515205157 has 48 divisors (see below), whose sum is σ = 9941488128. Its totient is φ = 2862347040.

The previous prime is 5515205153. The next prime is 5515205173. The reversal of 5515205157 is 7515025155.

5515205157 is a `hidden beast` number, since 551 + 5 + 2 + 0 + 51 + 57 = 666.

It is not a de Polignac number, because 5515205157 - 2² = 5515205153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515205153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 886018 + ... + 892220.

It is an arithmetic number, because the mean of its divisors is an integer number (207114336).

Almost surely, 2^5515205157 is an apocalyptic number.

It is an amenable number.

5515205157 is a deficient number, since it is larger than the sum of its proper divisors (4426282971).

5515205157 is a wasteful number, since it uses less digits than its factorization.

5515205157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510 (or 7507 counting only the distinct ones).

The product of its (nonzero) digits is 43750, while the sum is 36.

The square root of 5515205157 is about 74264.4272650103. The cubic root of 5515205157 is about 1766.7993224980.

The spelling of 5515205157 in words is "five billion, five hundred fifteen million, two hundred five thousand, one hundred fifty-seven".