113541520532213 has 4 divisors (see below), whose sum is σ = 113553476056140. Its totient is φ = 113529565008288.

The previous prime is 113541520532207. The next prime is 113541520532233. The reversal of 113541520532213 is 312235025145311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2584307026084 + 110957213506129 = 1607578^2 + 10533623^2 .

It is a cyclic number.

It is not a de Polignac number, because 113541520532213 - 2¹⁸ = 113541520270069 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 (113541520532233) 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, 5977747718 + ... + 5977766711.

It is an arithmetic number, because the mean of its divisors is an integer number (28388369014035).

Almost surely, 2^{113541520532213} is an apocalyptic number.

It is an amenable number.

113541520532213 is a deficient number, since it is larger than the sum of its proper divisors (11955523927).

113541520532213 is an equidigital number, since it uses as much as digits as its factorization.

113541520532213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955523926.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 113541520532213 its reverse (312235025145311), we get a palindrome (425776545677524).

The spelling of 113541520532213 in words is "one hundred thirteen trillion, five hundred forty-one billion, five hundred twenty million, five hundred thirty-two thousand, two hundred thirteen".