113011540 has 24 divisors (see below), whose sum is σ = 237976200. Its totient is φ = 45080448.

The previous prime is 113011537. The next prime is 113011543. The reversal of 113011540 is 45110311.

It is an interprime number because it is at equal distance from previous prime (113011537) and next prime (113011543).

It can be written as a sum of positive squares in 4 ways, for example, as 21196816 + 91814724 = 4604^2 + 9582^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 15034.

It is an arithmetic number, because the mean of its divisors is an integer number (9915675).

Almost surely, 2^113011540 is an apocalyptic number.

113011540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113011540 is an abundant number, since it is smaller than the sum of its proper divisors (124964660).

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

113011540 is a wasteful number, since it uses less digits than its factorization.

113011540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531 (or 15529 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 113011540 is about 10630.6885948183. The cubic root of 113011540 is about 483.4752697164.

Adding to 113011540 its reverse (45110311), we get a palindrome (158121851).

The spelling of 113011540 in words is "one hundred thirteen million, eleven thousand, five hundred forty".