115379109855 has 40 divisors (see below), whose sum is σ = 213959750400. Its totient is φ = 59413604544.

The previous prime is 115379109841. The next prime is 115379109863. The reversal of 115379109855 is 558901973511.

It is a happy number.

115379109855 is a `hidden beast` number, since 1 + 1 + 537 + 9 + 10 + 98 + 5 + 5 = 666.

It is not a de Polignac number, because 115379109855 - 2¹⁸ = 115378847711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4900095 + ... + 4923584.

It is an arithmetic number, because the mean of its divisors is an integer number (5348993760).

Almost surely, 2^115379109855 is an apocalyptic number.

115379109855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115379109855 is a deficient number, since it is larger than the sum of its proper divisors (98580640545).

115379109855 is an equidigital number, since it uses as much as digits as its factorization.

115379109855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823725 (or 9823716 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 54.

The spelling of 115379109855 in words is "one hundred fifteen billion, three hundred seventy-nine million, one hundred nine thousand, eight hundred fifty-five".