1979560105331 has 4 divisors (see below), whose sum is σ = 1981817301312. Its totient is φ = 1977302909352.

The previous prime is 1979560105099. The next prime is 1979560105357. The reversal of 1979560105331 is 1335010659791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1979560105331 - 2³⁰ = 1978486363507 is a prime.

It is a super-2 number, since 2×1979560105331² (a number of 25 digits) contains 22 as substring.

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 1979560105331.

It is not an unprimeable number, because it can be changed into a prime (1979560105531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128596675 + ... + 1128598428.

It is an arithmetic number, because the mean of its divisors is an integer number (495454325328).

Almost surely, 2^{1979560105331} is an apocalyptic number.

1979560105331 is a deficient number, since it is larger than the sum of its proper divisors (2257195981).

1979560105331 is an equidigital number, since it uses as much as digits as its factorization.

1979560105331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257195980.

The product of its (nonzero) digits is 765450, while the sum is 50.

The spelling of 1979560105331 in words is "one trillion, nine hundred seventy-nine billion, five hundred sixty million, one hundred five thousand, three hundred thirty-one".