115741278 has 64 divisors (see below), whose sum is σ = 268107840. Its totient is φ = 36979200.

The previous prime is 115741277. The next prime is 115741279. The reversal of 115741278 is 872147511.

115741278 is a `hidden beast` number, since 1 + 1 + 574 + 12 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (115741277) and next prime (115741279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115741271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134626 + ... + 135482.

It is an arithmetic number, because the mean of its divisors is an integer number (4189185).

Almost surely, 2^115741278 is an apocalyptic number.

115741278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115741278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134053920).

115741278 is an abundant number, since it is smaller than the sum of its proper divisors (152366562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115741278 is a wasteful number, since it uses less digits than its factorization.

115741278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 964 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 115741278 is about 10758.3120423234. The cubic root of 115741278 is about 487.3370437597.

Adding to 115741278 its reverse (872147511), we get a palindrome (987888789).

The spelling of 115741278 in words is "one hundred fifteen million, seven hundred forty-one thousand, two hundred seventy-eight".