115099898 has 16 divisors (see below), whose sum is σ = 182407680. Its totient is φ = 54381936.

The previous prime is 115099837. The next prime is 115099937. The reversal of 115099898 is 898990511.

It is a super-2 number, since 2×115099898² = 26495973039220808, which contains 22 as substring.

It is a Curzon 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, 18386 + ... + 23837.

It is an arithmetic number, because the mean of its divisors is an integer number (11400480).

Almost surely, 2^115099898 is an apocalyptic number.

115099898 is a deficient number, since it is larger than the sum of its proper divisors (67307782).

115099898 is a wasteful number, since it uses less digits than its factorization.

115099898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42301.

The product of its (nonzero) digits is 233280, while the sum is 50.

The square root of 115099898 is about 10728.4620519439. The cubic root of 115099898 is about 486.4351834843.

The spelling of 115099898 in words is "one hundred fifteen million, ninety-nine thousand, eight hundred ninety-eight".