61206562556255 has 16 divisors (see below), whose sum is σ = 73539047041824. Its totient is φ = 48904495718400.

The previous prime is 61206562556233. The next prime is 61206562556329. The reversal of 61206562556255 is 55265526560216.

It is not a de Polignac number, because 61206562556255 - 2³⁶ = 61137843079519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61206562556255.

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, 16481939 + ... + 19851131.

It is an arithmetic number, because the mean of its divisors is an integer number (4596190440114).

Almost surely, 2^{61206562556255} is an apocalyptic number.

61206562556255 is a deficient number, since it is larger than the sum of its proper divisors (12332484485569).

61206562556255 is a wasteful number, since it uses less digits than its factorization.

61206562556255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373706.

The product of its (nonzero) digits is 32400000, while the sum is 56.

The spelling of 61206562556255 in words is "sixty-one trillion, two hundred six billion, five hundred sixty-two million, five hundred fifty-six thousand, two hundred fifty-five".