61565304006225 has 24 divisors (see below), whose sum is σ = 113097743657120. Its totient is φ = 32834828802960.

The previous prime is 61565304006223. The next prime is 61565304006229. The reversal of 61565304006225 is 52260040356516.

61565304006225 is a `hidden beast` number, since 6 + 1 + 56 + 530 + 4 + 0 + 0 + 62 + 2 + 5 = 666.

It is not a de Polignac number, because 61565304006225 - 2¹ = 61565304006223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (61565304006223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45603928219 + ... + 45603929568.

Almost surely, 2^{61565304006225} is an apocalyptic number.

It is an amenable number.

61565304006225 is a deficient number, since it is larger than the sum of its proper divisors (51532439650895).

61565304006225 is a wasteful number, since it uses less digits than its factorization.

61565304006225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91207857806 (or 91207857795 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 61565304006225 in words is "sixty-one trillion, five hundred sixty-five billion, three hundred four million, six thousand, two hundred twenty-five".