61275871230 has 32 divisors (see below), whose sum is σ = 168070961664. Its totient is φ = 14005913376.

The previous prime is 61275871229. The next prime is 61275871243. The reversal of 61275871230 is 3217857216.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145894722 + ... + 145895141.

It is an arithmetic number, because the mean of its divisors is an integer number (5252217552).

Almost surely, 2^61275871230 is an apocalyptic number.

61275871230 is an abundant number, since it is smaller than the sum of its proper divisors (106795090434).

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

61275871230 is a wasteful number, since it uses less digits than its factorization.

61275871230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291789880.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 61275871230 in words is "sixty-one billion, two hundred seventy-five million, eight hundred seventy-one thousand, two hundred thirty".