115317285191788 has 12 divisors (see below), whose sum is σ = 213676146090792. Its totient is φ = 54266957737280.

The previous prime is 115317285191761. The next prime is 115317285191789. The reversal of 115317285191788 is 887191582713511.

It is not an unprimeable number, because it can be changed into a prime (115317285191789) 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 3 ways as a sum of consecutive naturals, for example, 847921214578 + ... + 847921214713.

It is an arithmetic number, because the mean of its divisors is an integer number (17806345507566).

Almost surely, 2^{115317285191788} is an apocalyptic number.

It is an amenable number.

115317285191788 is a deficient number, since it is larger than the sum of its proper divisors (98358860899004).

115317285191788 is a wasteful number, since it uses less digits than its factorization.

115317285191788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695842429312 (or 1695842429310 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 67.

The spelling of 115317285191788 in words is "one hundred fifteen trillion, three hundred seventeen billion, two hundred eighty-five million, one hundred ninety-one thousand, seven hundred eighty-eight".