113540011243051 has 4 divisors (see below), whose sum is σ = 113540172981112. Its totient is φ = 113539849504992.

The previous prime is 113540011243031. The next prime is 113540011243097. The reversal of 113540011243051 is 150342110045311.

It is a happy number.

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 113540011243051 - 2²⁹ = 113539474372139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113540011243031) 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, 79811421 + ... + 81221566.

It is an arithmetic number, because the mean of its divisors is an integer number (28385043245278).

Almost surely, 2^{113540011243051} is an apocalyptic number.

113540011243051 is a deficient number, since it is larger than the sum of its proper divisors (161738061).

113540011243051 is an equidigital number, since it uses as much as digits as its factorization.

113540011243051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161738060.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 113540011243051 its reverse (150342110045311), we get a palindrome (263882121288362).

The spelling of 113540011243051 in words is "one hundred thirteen trillion, five hundred forty billion, eleven million, two hundred forty-three thousand, fifty-one".