11751877078317 has 12 divisors (see below), whose sum is σ = 16975881634140. Its totient is φ = 7834147145088.

The previous prime is 11751877078307. The next prime is 11751877078363. The reversal of 11751877078317 is 71387077815711.

11751877078317 is a `hidden beast` number, since 1 + 1 + 7 + 5 + 187 + 70 + 78 + 317 = 666.

11751877078317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3998264188356 + 7753612889961 = 1999566^2 + 2784531^2 .

It is not a de Polignac number, because 11751877078317 - 2²⁷ = 11751742860589 is a prime.

It is a super-2 number, since 2×11751877078317² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11751877078307) 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, 36294348 + ... + 36616709.

It is an arithmetic number, because the mean of its divisors is an integer number (1414656802845).

Almost surely, 2^{11751877078317} is an apocalyptic number.

It is an amenable number.

11751877078317 is a deficient number, since it is larger than the sum of its proper divisors (5224004555823).

11751877078317 is a wasteful number, since it uses less digits than its factorization.

11751877078317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72928972 (or 72928969 counting only the distinct ones).

The product of its (nonzero) digits is 16134720, while the sum is 63.

The spelling of 11751877078317 in words is "eleven trillion, seven hundred fifty-one billion, eight hundred seventy-seven million, seventy-eight thousand, three hundred seventeen".