61911702285982 has 8 divisors (see below), whose sum is σ = 93220661997936. Its totient is φ = 30838148286672.

The previous prime is 61911702285973. The next prime is 61911702286013. The reversal of 61911702285982 is 28958220711916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61911702285982.

It is a congruent number.

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, 58851427503 + ... + 58851428554.

It is an arithmetic number, because the mean of its divisors is an integer number (11652582749742).

Almost surely, 2^{61911702285982} is an apocalyptic number.

61911702285982 is a deficient number, since it is larger than the sum of its proper divisors (31308959711954).

61911702285982 is a wasteful number, since it uses less digits than its factorization.

61911702285982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117702856322.

The product of its (nonzero) digits is 8709120, while the sum is 61.

The spelling of 61911702285982 in words is "sixty-one trillion, nine hundred eleven billion, seven hundred two million, two hundred eighty-five thousand, nine hundred eighty-two".