113540034243243 has 4 divisors (see below), whose sum is σ = 151386712324328. Its totient is φ = 75693356162160.

The previous prime is 113540034243193. The next prime is 113540034243269. The reversal of 113540034243243 is 342342430045311.

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

It is not a de Polignac number, because 113540034243243 - 2⁹ = 113540034242731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113540034443243) 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, 18923339040538 + ... + 18923339040543.

It is an arithmetic number, because the mean of its divisors is an integer number (37846678081082).

Almost surely, 2^{113540034243243} is an apocalyptic number.

113540034243243 is a deficient number, since it is larger than the sum of its proper divisors (37846678081085).

113540034243243 is an equidigital number, since it uses as much as digits as its factorization.

113540034243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37846678081084.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 113540034243243 its reverse (342342430045311), we get a palindrome (455882464288554).

The spelling of 113540034243243 in words is "one hundred thirteen trillion, five hundred forty billion, thirty-four million, two hundred forty-three thousand, two hundred forty-three".