61207475130 has 48 divisors (see below), whose sum is σ = 159199246440. Its totient is φ = 16315858944.

The previous prime is 61207475089. The next prime is 61207475171. The reversal of 61207475130 is 3157470216.

It is a happy number.

61207475130 is a `hidden beast` number, since 612 + 0 + 7 + 4 + 7 + 5 + 1 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (61207475089) and next prime (61207475171).

It can be written as a sum of positive squares in 4 ways, for example, as 21319796169 + 39887678961 = 146013^2 + 199719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115554 + ... + 368466.

Almost surely, 2^61207475130 is an apocalyptic number.

61207475130 is an abundant number, since it is smaller than the sum of its proper divisors (97991771310).

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

61207475130 is a wasteful number, since it uses less digits than its factorization.

61207475130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255615 (or 255612 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 61207475130 in words is "sixty-one billion, two hundred seven million, four hundred seventy-five thousand, one hundred thirty".