61248875172 has 48 divisors (see below), whose sum is σ = 146330907072. Its totient is φ = 19933562880.

The previous prime is 61248875147. The next prime is 61248875267. The reversal of 61248875172 is 27157884216.

It is a happy number.

61248875172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 246229 + ... + 427932.

It is an arithmetic number, because the mean of its divisors is an integer number (3048560564).

Almost surely, 2^61248875172 is an apocalyptic number.

It is an amenable number.

61248875172 is an abundant number, since it is smaller than the sum of its proper divisors (85082031900).

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

61248875172 is a wasteful number, since it uses less digits than its factorization.

61248875172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674348 (or 674346 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 51.

The spelling of 61248875172 in words is "sixty-one billion, two hundred forty-eight million, eight hundred seventy-five thousand, one hundred seventy-two".