1975979923055 has 8 divisors (see below), whose sum is σ = 2371905295344. Its totient is φ = 1580297680000.

The previous prime is 1975979923033. The next prime is 1975979923063. The reversal of 1975979923055 is 5503299795791.

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

It is not a de Polignac number, because 1975979923055 - 2²² = 1975975728751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1975979923055.

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, 60764426 + ... + 60796935.

It is an arithmetic number, because the mean of its divisors is an integer number (296488161918).

Almost surely, 2^{1975979923055} is an apocalyptic number.

1975979923055 is a deficient number, since it is larger than the sum of its proper divisors (395925372289).

1975979923055 is a wasteful number, since it uses less digits than its factorization.

1975979923055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121564617.

The product of its (nonzero) digits is 241116750, while the sum is 71.

The spelling of 1975979923055 in words is "one trillion, nine hundred seventy-five billion, nine hundred seventy-nine million, nine hundred twenty-three thousand, fifty-five".