113515543 has 4 divisors (see below), whose sum is σ = 114557080. Its totient is φ = 112474008.

The previous prime is 113515517. The next prime is 113515547. The reversal of 113515543 is 345515311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345515311 = 127 ⋅2720593.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113515543 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 (113515547) 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, 520605 + ... + 520822.

It is an arithmetic number, because the mean of its divisors is an integer number (28639270).

Almost surely, 2^113515543 is an apocalyptic number.

113515543 is a deficient number, since it is larger than the sum of its proper divisors (1041537).

113515543 is a wasteful number, since it uses less digits than its factorization.

113515543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041536.

The product of its digits is 4500, while the sum is 28.

The square root of 113515543 is about 10654.3673204935. The cubic root of 113515543 is about 484.1929298809.

The spelling of 113515543 in words is "one hundred thirteen million, five hundred fifteen thousand, five hundred forty-three".