61056563206245 has 32 divisors (see below), whose sum is σ = 100073916440064. Its totient is φ = 31769040038400.

The previous prime is 61056563206237. The next prime is 61056563206277. The reversal of 61056563206245 is 54260236565016.

It is not a de Polignac number, because 61056563206245 - 2³ = 61056563206237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115917499 + ... + 116443031.

It is an arithmetic number, because the mean of its divisors is an integer number (3127309888752).

Almost surely, 2^{61056563206245} is an apocalyptic number.

It is an amenable number.

61056563206245 is a deficient number, since it is larger than the sum of its proper divisors (39017353233819).

61056563206245 is a wasteful number, since it uses less digits than its factorization.

61056563206245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714493.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 61056563206245 in words is "sixty-one trillion, fifty-six billion, five hundred sixty-three million, two hundred six thousand, two hundred forty-five".