61461535124 has 24 divisors (see below), whose sum is σ = 117341947296. Its totient is φ = 27935564000.

The previous prime is 61461535087. The next prime is 61461535147. The reversal of 61461535124 is 42153516416.

61461535124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533014 + ... + 1572594.

It is an arithmetic number, because the mean of its divisors is an integer number (4889247804).

Almost surely, 2^61461535124 is an apocalyptic number.

It is an amenable number.

61461535124 is a deficient number, since it is larger than the sum of its proper divisors (55880412172).

61461535124 is a wasteful number, since it uses less digits than its factorization.

61461535124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74887 (or 74885 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 61461535124 in words is "sixty-one billion, four hundred sixty-one million, five hundred thirty-five thousand, one hundred twenty-four".