115151100 has 36 divisors (see below), whose sum is σ = 333171384. Its totient is φ = 30706880.

The previous prime is 115151059. The next prime is 115151117. The reversal of 115151100 is 1151511.

It is a super-3 number, since 3×115151100³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 115151100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191619 + ... + 192218.

Almost surely, 2^115151100 is an apocalyptic number.

115151100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115151100 is an abundant number, since it is smaller than the sum of its proper divisors (218020284).

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

115151100 is a wasteful number, since it uses less digits than its factorization.

115151100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383854 (or 383847 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 15.

The square root of 115151100 is about 10730.8480559553. The cubic root of 115151100 is about 486.5073027546.

Multiplying 115151100 by its reverse (1151511), we get a square (132597758312100 = 11515110²).

115151100 divided by its reverse (1151511) gives a square (100 = 10²).

The spelling of 115151100 in words is "one hundred fifteen million, one hundred fifty-one thousand, one hundred".