115718817494 has 16 divisors (see below), whose sum is σ = 198425700000. Its totient is φ = 49581132864.

The previous prime is 115718817493. The next prime is 115718817541. The reversal of 115718817494 is 494718817511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115718817493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996869 + ... + 1106880.

It is an arithmetic number, because the mean of its divisors is an integer number (12401606250).

Almost surely, 2^115718817494 is an apocalyptic number.

115718817494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

115718817494 is a deficient number, since it is larger than the sum of its proper divisors (82706882506).

115718817494 is a wasteful number, since it uses less digits than its factorization.

115718817494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107687.

The product of its digits is 2257920, while the sum is 56.

The spelling of 115718817494 in words is "one hundred fifteen billion, seven hundred eighteen million, eight hundred seventeen thousand, four hundred ninety-four".