115255390 has 16 divisors (see below), whose sum is σ = 211375008. Its totient is φ = 45232096.

The previous prime is 115255381. The next prime is 115255417. The reversal of 115255390 is 93552511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108202 + ... + 109261.

It is an arithmetic number, because the mean of its divisors is an integer number (13210938).

Almost surely, 2^115255390 is an apocalyptic number.

115255390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115255390 is a deficient number, since it is larger than the sum of its proper divisors (96119618).

115255390 is a wasteful number, since it uses less digits than its factorization.

115255390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217523.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 115255390 is about 10735.7063111842. The cubic root of 115255390 is about 486.6541316802.

The spelling of 115255390 in words is "one hundred fifteen million, two hundred fifty-five thousand, three hundred ninety".