1365258979812 has 96 divisors (see below), whose sum is σ = 4047219441664. Its totient is φ = 348453187200.

The previous prime is 1365258979759. The next prime is 1365258979813. The reversal of 1365258979812 is 2189798525631.

It is not an unprimeable number, because it can be changed into a prime (1365258979813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20131264 + ... + 20198967.

Almost surely, 2^{1365258979812} is an apocalyptic number.

1365258979812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1365258979812 is an abundant number, since it is smaller than the sum of its proper divisors (2681960461852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1365258979812 is a wasteful number, since it uses less digits than its factorization.

1365258979812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40330289 (or 40330287 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 66.

The spelling of 1365258979812 in words is "one trillion, three hundred sixty-five billion, two hundred fifty-eight million, nine hundred seventy-nine thousand, eight hundred twelve".