1152078216817 has 12 divisors (see below), whose sum is σ = 1267010978688. Its totient is φ = 1046783850200.

The previous prime is 1152078216797. The next prime is 1152078216871. The reversal of 1152078216817 is 7186128702511.

It is a de Polignac number, because none of the positive numbers 2^k-1152078216817 is a prime.

It is a super-2 number, since 2×1152078216817² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152078216617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2318053 + ... + 2770834.

It is an arithmetic number, because the mean of its divisors is an integer number (105584248224).

Almost surely, 2^{1152078216817} is an apocalyptic number.

It is an amenable number.

1152078216817 is a deficient number, since it is larger than the sum of its proper divisors (114932761871).

1152078216817 is a wasteful number, since it uses less digits than its factorization.

1152078216817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090780 (or 5090769 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 49.

The spelling of 1152078216817 in words is "one trillion, one hundred fifty-two billion, seventy-eight million, two hundred sixteen thousand, eight hundred seventeen".