1365012879599 has 2 divisors, whose sum is σ = 1365012879600. Its totient is φ = 1365012879598.

The previous prime is 1365012879551. The next prime is 1365012879611. The reversal of 1365012879599 is 9959782105631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365012879599 - 2¹² = 1365012875503 is a prime.

It is a super-2 number, since 2×1365012879599² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365012876599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682506439799 + 682506439800.

It is an arithmetic number, because the mean of its divisors is an integer number (682506439800).

Almost surely, 2^{1365012879599} is an apocalyptic number.

1365012879599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365012879599 is an equidigital number, since it uses as much as digits as its factorization.

1365012879599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36741600, while the sum is 65.

The spelling of 1365012879599 in words is "one trillion, three hundred sixty-five billion, twelve million, eight hundred seventy-nine thousand, five hundred ninety-nine".