1513442977187 has 2 divisors, whose sum is σ = 1513442977188. Its totient is φ = 1513442977186.

The previous prime is 1513442977181. The next prime is 1513442977289. The reversal of 1513442977187 is 7817792443151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1513442977187 - 2²⁸ = 1513174541731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513442977181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756721488593 + 756721488594.

It is an arithmetic number, because the mean of its divisors is an integer number (756721488594).

Almost surely, 2^{1513442977187} is an apocalyptic number.

1513442977187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513442977187 is an equidigital number, since it uses as much as digits as its factorization.

1513442977187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 59.

The spelling of 1513442977187 in words is "one trillion, five hundred thirteen billion, four hundred forty-two million, nine hundred seventy-seven thousand, one hundred eighty-seven".