61755410725 has 12 divisors (see below), whose sum is σ = 80607063040. Its totient is φ = 46804100400.

The previous prime is 61755410701. The next prime is 61755410747. The reversal of 61755410725 is 52701455716.

It is not a de Polignac number, because 61755410725 - 2⁵ = 61755410693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65005221 + ... + 65006170.

Almost surely, 2^61755410725 is an apocalyptic number.

It is an amenable number.

61755410725 is a deficient number, since it is larger than the sum of its proper divisors (18851652315).

61755410725 is a wasteful number, since it uses less digits than its factorization.

61755410725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130011420 (or 130011415 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 61755410725 in words is "sixty-one billion, seven hundred fifty-five million, four hundred ten thousand, seven hundred twenty-five".