5211525555 has 32 divisors (see below), whose sum is σ = 9283921920. Its totient is φ = 2773784160.

The previous prime is 5211525511. The next prime is 5211525589. The reversal of 5211525555 is 5555251125.

5211525555 is a `hidden beast` number, since 52 + 1 + 1 + 52 + 5 + 555 = 666.

It is not a de Polignac number, because 5211525555 - 2⁹ = 5211525043 is a prime.

It is a super-2 number, since 2×5211525555² = 54319997220836116050, which contains 22 as substring.

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, 26974 + ... + 105596.

It is an arithmetic number, because the mean of its divisors is an integer number (290122560).

Almost surely, 2^5211525555 is an apocalyptic number.

5211525555 is a deficient number, since it is larger than the sum of its proper divisors (4072396365).

5211525555 is a wasteful number, since it uses less digits than its factorization.

5211525555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79128 (or 79122 counting only the distinct ones).

The product of its digits is 62500, while the sum is 36.

The square root of 5211525555 is about 72190.8966213885. The cubic root of 5211525555 is about 1733.7572516113.

The spelling of 5211525555 in words is "five billion, two hundred eleven million, five hundred twenty-five thousand, five hundred fifty-five".