1815013404119 has 2 divisors, whose sum is σ = 1815013404120. Its totient is φ = 1815013404118.

The previous prime is 1815013404091. The next prime is 1815013404199. The reversal of 1815013404119 is 9114043105181.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1815013404119 is a prime.

It is a super-2 number, since 2×1815013404119² (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 (1815013404199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907506702059 + 907506702060.

It is an arithmetic number, because the mean of its divisors is an integer number (907506702060).

Almost surely, 2^{1815013404119} is an apocalyptic number.

1815013404119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1815013404119 is an equidigital number, since it uses as much as digits as its factorization.

1815013404119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 1815013404119 in words is "one trillion, eight hundred fifteen billion, thirteen million, four hundred four thousand, one hundred nineteen".