61206562556256 has 48 divisors (see below), whose sum is σ = 173026244152944. Its totient is φ = 18832788478464.

The previous prime is 61206562556233. The next prime is 61206562556329. The reversal of 61206562556256 is 65265526560216.

It is a happy number.

61206562556256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 61206562556196 and 61206562556205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24521858751 + ... + 24521861246.

It is an arithmetic number, because the mean of its divisors is an integer number (3604713419853).

Almost surely, 2^{61206562556256} is an apocalyptic number.

It is an amenable number.

61206562556256 is an abundant number, since it is smaller than the sum of its proper divisors (111819681596688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61206562556256 is a wasteful number, since it uses less digits than its factorization.

61206562556256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49043720023 (or 49043720015 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 57.

The spelling of 61206562556256 in words is "sixty-one trillion, two hundred six billion, five hundred sixty-two million, five hundred fifty-six thousand, two hundred fifty-six".