1164343878915 has 256 divisors, whose sum is σ = 2363926118400. Its totient is φ = 477458841600.

The previous prime is 1164343878899. The next prime is 1164343879043. The reversal of 1164343878915 is 5198783434611.

It is not a de Polignac number, because 1164343878915 - 2⁴ = 1164343878899 is a prime.

It is an unprimeable number.

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 in 255 ways as a sum of consecutive naturals, for example, 559510675 + ... + 559512755.

It is an arithmetic number, because the mean of its divisors is an integer number (9234086400).

Almost surely, 2^{1164343878915} is an apocalyptic number.

1164343878915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1164343878915 is an abundant number, since it is smaller than the sum of its proper divisors (1199582239485).

1164343878915 is a wasteful number, since it uses less digits than its factorization.

1164343878915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338.

The product of its digits is 17418240, while the sum is 60.

The spelling of 1164343878915 in words is "one trillion, one hundred sixty-four billion, three hundred forty-three million, eight hundred seventy-eight thousand, nine hundred fifteen".