115117995390 has 32 divisors (see below), whose sum is σ = 276379361280. Its totient is φ = 30687446304.

The previous prime is 115117995373. The next prime is 115117995403. The reversal of 115117995390 is 93599711511.

It is a super-2 number, since 2×115117995390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580054 + ... + 752793.

It is an arithmetic number, because the mean of its divisors is an integer number (8636855040).

Almost surely, 2^115117995390 is an apocalyptic number.

115117995390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115117995390 is an abundant number, since it is smaller than the sum of its proper divisors (161261365890).

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

115117995390 is a wasteful number, since it uses less digits than its factorization.

115117995390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335736.

The product of its (nonzero) digits is 382725, while the sum is 51.

The spelling of 115117995390 in words is "one hundred fifteen billion, one hundred seventeen million, nine hundred ninety-five thousand, three hundred ninety".