5215100655 has 32 divisors (see below), whose sum is σ = 8473651200. Its totient is φ = 2738361600.

The previous prime is 5215100609. The next prime is 5215100663. The reversal of 5215100655 is 5560015125.

It is not a de Polignac number, because 5215100655 - 2¹² = 5215096559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651930 + ... + 659880.

It is an arithmetic number, because the mean of its divisors is an integer number (264801600).

Almost surely, 2^5215100655 is an apocalyptic number.

5215100655 is a deficient number, since it is larger than the sum of its proper divisors (3258550545).

5215100655 is a wasteful number, since it uses less digits than its factorization.

5215100655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 5215100655 is about 72215.6538085753. The cubic root of 5215100655 is about 1734.1536127580.

The spelling of 5215100655 in words is "five billion, two hundred fifteen million, one hundred thousand, six hundred fifty-five".