5665551006537 has 12 divisors (see below), whose sum is σ = 8193469181040. Its totient is φ = 3772466848248.

The previous prime is 5665551006503. The next prime is 5665551006547. The reversal of 5665551006537 is 7356001555665.

5665551006537 is a `hidden beast` number, since 5 + 6 + 6 + 55 + 51 + 0 + 0 + 6 + 537 = 666.

It is not a de Polignac number, because 5665551006537 - 2²³ = 5665542617929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5665551006547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380588487 + ... + 380603372.

It is an arithmetic number, because the mean of its divisors is an integer number (682789098420).

Almost surely, 2^{5665551006537} is an apocalyptic number.

It is an amenable number.

5665551006537 is a deficient number, since it is larger than the sum of its proper divisors (2527918174503).

5665551006537 is a wasteful number, since it uses less digits than its factorization.

5665551006537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761192692 (or 761192689 counting only the distinct ones).

The product of its (nonzero) digits is 14175000, while the sum is 54.

The spelling of 5665551006537 in words is "five trillion, six hundred sixty-five billion, five hundred fifty-one million, six thousand, five hundred thirty-seven".