61506600525522 has 32 divisors (see below), whose sum is σ = 136681593428160. Its totient is φ = 20502161336160.

The previous prime is 61506600525521. The next prime is 61506600525523. The reversal of 61506600525522 is 22552500660516.

61506600525522 is a `hidden beast` number, since 6 + 15 + 0 + 6 + 60 + 0 + 52 + 5 + 522 = 666.

It is an interprime number because it is at equal distance from previous prime (61506600525521) and next prime (61506600525523).

It is a super-2 number, since 2×61506600525522² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61506600525521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49113622 + ... + 50350382.

It is an arithmetic number, because the mean of its divisors is an integer number (4271299794630).

Almost surely, 2^{61506600525522} is an apocalyptic number.

61506600525522 is an abundant number, since it is smaller than the sum of its proper divisors (75174992902638).

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

61506600525522 is a wasteful number, since it uses less digits than its factorization.

61506600525522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157735 (or 2157729 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 61506600525522 in words is "sixty-one trillion, five hundred six billion, six hundred million, five hundred twenty-five thousand, five hundred twenty-two".