113011155 has 24 divisors (see below), whose sum is σ = 207410112. Its totient is φ = 56726784.

The previous prime is 113011147. The next prime is 113011193. The reversal of 113011155 is 551110311.

It is not a de Polignac number, because 113011155 - 2³ = 113011147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73099 + ... + 74628.

It is an arithmetic number, because the mean of its divisors is an integer number (8642088).

Almost surely, 2^113011155 is an apocalyptic number.

113011155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113011155 is a deficient number, since it is larger than the sum of its proper divisors (94398957).

113011155 is a wasteful number, since it uses less digits than its factorization.

113011155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147755 (or 147752 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

The square root of 113011155 is about 10630.6704868508. The cubic root of 113011155 is about 483.4747206923.

Adding to 113011155 its reverse (551110311), we get a palindrome (664121466).

The spelling of 113011155 in words is "one hundred thirteen million, eleven thousand, one hundred fifty-five".