61286991046124 has 24 divisors (see below), whose sum is σ = 107290716781248. Its totient is φ = 30632502531600.

The previous prime is 61286991046117. The next prime is 61286991046139. The reversal of 61286991046124 is 42164019968216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125502359 + ... + 125989745.

It is an arithmetic number, because the mean of its divisors is an integer number (4470446532552).

Almost surely, 2^{61286991046124} is an apocalyptic number.

It is an amenable number.

61286991046124 is a deficient number, since it is larger than the sum of its proper divisors (46003725735124).

61286991046124 is a wasteful number, since it uses less digits than its factorization.

61286991046124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498605 (or 498603 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 61286991046124 in words is "sixty-one trillion, two hundred eighty-six billion, nine hundred ninety-one million, forty-six thousand, one hundred twenty-four".