1148374765815 has 16 divisors (see below), whose sum is σ = 1847664432000. Its totient is φ = 609044939552.

The previous prime is 1148374765781. The next prime is 1148374765817. The reversal of 1148374765815 is 5185674738411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1148374765815 - 2⁶ = 1148374765751 is a prime.

It is a super-2 number, since 2×1148374765815² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148374765817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213847365 + ... + 213852734.

It is an arithmetic number, because the mean of its divisors is an integer number (115479027000).

Almost surely, 2^{1148374765815} is an apocalyptic number.

1148374765815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1148374765815 is a deficient number, since it is larger than the sum of its proper divisors (699289666185).

1148374765815 is a wasteful number, since it uses less digits than its factorization.

1148374765815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427700286.

The product of its digits is 22579200, while the sum is 60.

The spelling of 1148374765815 in words is "one trillion, one hundred forty-eight billion, three hundred seventy-four million, seven hundred sixty-five thousand, eight hundred fifteen".