5665111015 has 4 divisors (see below), whose sum is σ = 6798133224. Its totient is φ = 4532088808.

The previous prime is 5665110989. The next prime is 5665111031. The reversal of 5665111015 is 5101115665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5665111015 - 2²⁷ = 5530893287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566511097 + ... + 566511106.

It is an arithmetic number, because the mean of its divisors is an integer number (1699533306).

Almost surely, 2^5665111015 is an apocalyptic number.

5665111015 is a deficient number, since it is larger than the sum of its proper divisors (1133022209).

5665111015 is a wasteful number, since it uses less digits than its factorization.

5665111015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133022208.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 5665111015 is about 75266.9317496070. The cubic root of 5665111015 is about 1782.6639208982.

The spelling of 5665111015 in words is "five billion, six hundred sixty-five million, one hundred eleven thousand, fifteen".