1013581295999 has 2 divisors, whose sum is σ = 1013581296000. Its totient is φ = 1013581295998.

The previous prime is 1013581295989. The next prime is 1013581296001. The reversal of 1013581295999 is 9995921853101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013581295999 - 2²⁸ = 1013312860543 is a prime.

Together with 1013581296001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013581295929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506790647999 + 506790648000.

It is an arithmetic number, because the mean of its divisors is an integer number (506790648000).

Almost surely, 2^{1013581295999} is an apocalyptic number.

1013581295999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013581295999 is an equidigital number, since it uses as much as digits as its factorization.

1013581295999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7873200, while the sum is 62.

The spelling of 1013581295999 in words is "one trillion, thirteen billion, five hundred eighty-one million, two hundred ninety-five thousand, nine hundred ninety-nine".