115891041278 has 8 divisors (see below), whose sum is σ = 176431137672. Its totient is φ = 57080662056.

The previous prime is 115891041271. The next prime is 115891041281. The reversal of 115891041278 is 872140198511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115891041271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432429125 + ... + 432429392.

It is an arithmetic number, because the mean of its divisors is an integer number (22053892209).

Almost surely, 2^115891041278 is an apocalyptic number.

115891041278 is a deficient number, since it is larger than the sum of its proper divisors (60540096394).

115891041278 is an equidigital number, since it uses as much as digits as its factorization.

115891041278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864858586.

The product of its (nonzero) digits is 161280, while the sum is 47.

The spelling of 115891041278 in words is "one hundred fifteen billion, eight hundred ninety-one million, forty-one thousand, two hundred seventy-eight".