5165561025 has 96 divisors (see below), whose sum is σ = 9688129920. Its totient is φ = 2697891840.

The previous prime is 5165561017. The next prime is 5165561039. The reversal of 5165561025 is 5201655615.

5165561025 is a `hidden beast` number, since 5 + 16 + 5 + 5 + 610 + 25 = 666.

It is not a de Polignac number, because 5165561025 - 2³ = 5165561017 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7675089 + ... + 7675761.

It is an arithmetic number, because the mean of its divisors is an integer number (100918020).

Almost surely, 2^5165561025 is an apocalyptic number.

It is an amenable number.

5165561025 is a deficient number, since it is larger than the sum of its proper divisors (4522568895).

5165561025 is a wasteful number, since it uses less digits than its factorization.

5165561025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 5165561025 is about 71871.8374956422. The cubic root of 5165561025 is about 1728.6450710590.

The spelling of 5165561025 in words is "five billion, one hundred sixty-five million, five hundred sixty-one thousand, twenty-five".