113220502543 has 4 divisors (see below), whose sum is σ = 113546786760. Its totient is φ = 112894218328.

The previous prime is 113220502531. The next prime is 113220502547. The reversal of 113220502543 is 345205022311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113220502543 - 2¹³ = 113220494351 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 (113220502547) 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, 163141588 + ... + 163142281.

It is an arithmetic number, because the mean of its divisors is an integer number (28386696690).

Almost surely, 2^113220502543 is an apocalyptic number.

113220502543 is a deficient number, since it is larger than the sum of its proper divisors (326284217).

113220502543 is an equidigital number, since it uses as much as digits as its factorization.

113220502543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326284216.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 113220502543 its reverse (345205022311), we get a palindrome (458425524854).

The spelling of 113220502543 in words is "one hundred thirteen billion, two hundred twenty million, five hundred two thousand, five hundred forty-three".