5665511151 has 24 divisors (see below), whose sum is σ = 8414606304. Its totient is φ = 3670591680.

The previous prime is 5665511119. The next prime is 5665511153. The reversal of 5665511151 is 1511155665.

It is a happy number.

5665511151 is a `hidden beast` number, since 56 + 6 + 551 + 1 + 1 + 51 = 666.

It is not a de Polignac number, because 5665511151 - 2⁵ = 5665511119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665511153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285781 + ... + 304961.

It is an arithmetic number, because the mean of its divisors is an integer number (350608596).

Almost surely, 2^5665511151 is an apocalyptic number.

5665511151 is a deficient number, since it is larger than the sum of its proper divisors (2749095153).

5665511151 is a wasteful number, since it uses less digits than its factorization.

5665511151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111 (or 20108 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The square root of 5665511151 is about 75269.5898155424. The cubic root of 5665511151 is about 1782.7058907269.

The spelling of 5665511151 in words is "five billion, six hundred sixty-five million, five hundred eleven thousand, one hundred fifty-one".