61015280135984 has 20 divisors (see below), whose sum is σ = 118656574064640. Its totient is φ = 30394228764480.

The previous prime is 61015280135903. The next prime is 61015280136011. The reversal of 61015280135984 is 48953108251016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7088202032 + ... + 7088210639.

It is an arithmetic number, because the mean of its divisors is an integer number (5932828703232).

Almost surely, 2^{61015280135984} is an apocalyptic number.

It is an amenable number.

61015280135984 is a deficient number, since it is larger than the sum of its proper divisors (57641293928656).

61015280135984 is a wasteful number, since it uses less digits than its factorization.

61015280135984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176412948 (or 14176412942 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 61015280135984 in words is "sixty-one trillion, fifteen billion, two hundred eighty million, one hundred thirty-five thousand, nine hundred eighty-four".