5656501551655 has 16 divisors (see below), whose sum is σ = 6972417858240. Its totient is φ = 4402164678912.

The previous prime is 5656501551611. The next prime is 5656501551667. The reversal of 5656501551655 is 5561551056565.

It is a cyclic number.

It is not a de Polignac number, because 5656501551655 - 2³⁹ = 5106745737767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5656501551596 and 5656501551605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433710 + ... + 3656299.

It is an arithmetic number, because the mean of its divisors is an integer number (435776116140).

Almost surely, 2^{5656501551655} is an apocalyptic number.

5656501551655 is a deficient number, since it is larger than the sum of its proper divisors (1315916306585).

5656501551655 is a wasteful number, since it uses less digits than its factorization.

5656501551655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096058.

The product of its (nonzero) digits is 16875000, while the sum is 55.

The spelling of 5656501551655 in words is "five trillion, six hundred fifty-six billion, five hundred one million, five hundred fifty-one thousand, six hundred fifty-five".