113542511 has 4 divisors (see below), whose sum is σ = 117457800. Its totient is φ = 109627224.

The previous prime is 113542501. The next prime is 113542519. The reversal of 113542511 is 115245311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115245311 = 4603 ⋅25037.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113542511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113542519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957601 + ... + 1957658.

It is an arithmetic number, because the mean of its divisors is an integer number (29364450).

Almost surely, 2^113542511 is an apocalyptic number.

113542511 is a deficient number, since it is larger than the sum of its proper divisors (3915289).

113542511 is an equidigital number, since it uses as much as digits as its factorization.

113542511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915288.

The product of its digits is 600, while the sum is 23.

The square root of 113542511 is about 10655.6328296352. The cubic root of 113542511 is about 484.2312702429.

Adding to 113542511 its reverse (115245311), we get a palindrome (228787822).

The spelling of 113542511 in words is "one hundred thirteen million, five hundred forty-two thousand, five hundred eleven".