61199114874 has 96 divisors (see below), whose sum is σ = 134359741440. Its totient is φ = 18558288000.

The previous prime is 61199114849. The next prime is 61199114891. The reversal of 61199114874 is 47841199116.

It is a super-2 number, since 2×61199114874² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11994924 + ... + 12000024.

It is an arithmetic number, because the mean of its divisors is an integer number (1399580640).

Almost surely, 2^61199114874 is an apocalyptic number.

61199114874 is an abundant number, since it is smaller than the sum of its proper divisors (73160626566).

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

61199114874 is a wasteful number, since it uses less digits than its factorization.

61199114874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364 (or 5345 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The spelling of 61199114874 in words is "sixty-one billion, one hundred ninety-nine million, one hundred fourteen thousand, eight hundred seventy-four".