61985277258916 has 12 divisors (see below), whose sum is σ = 118335529312560. Its totient is φ = 28175126026760.

The previous prime is 61985277258901. The next prime is 61985277258923.

61985277258916 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 704378150626 + ... + 704378150713.

It is an arithmetic number, because the mean of its divisors is an integer number (9861294109380).

Almost surely, 2^{61985277258916} is an apocalyptic number.

It is an amenable number.

61985277258916 is a deficient number, since it is larger than the sum of its proper divisors (56350252053644).

61985277258916 is a wasteful number, since it uses less digits than its factorization.

61985277258916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408756301354 (or 1408756301352 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 76.

The spelling of 61985277258916 in words is "sixty-one trillion, nine hundred eighty-five billion, two hundred seventy-seven million, two hundred fifty-eight thousand, nine hundred sixteen".