113535044452551 has 4 divisors (see below), whose sum is σ = 151380059270072. Its totient is φ = 75690029635032.

The previous prime is 113535044452481. The next prime is 113535044452553. The reversal of 113535044452551 is 155254440535311.

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

It is not a de Polignac number, because 113535044452551 - 2³⁴ = 113517864583367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113535044452551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113535044452553) 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, 18922507408756 + ... + 18922507408761.

It is an arithmetic number, because the mean of its divisors is an integer number (37845014817518).

Almost surely, 2^{113535044452551} is an apocalyptic number.

113535044452551 is a deficient number, since it is larger than the sum of its proper divisors (37845014817521).

113535044452551 is an equidigital number, since it uses as much as digits as its factorization.

113535044452551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37845014817520.

The product of its (nonzero) digits is 3600000, while the sum is 48.

Adding to 113535044452551 its reverse (155254440535311), we get a palindrome (268789484987862).

The spelling of 113535044452551 in words is "one hundred thirteen trillion, five hundred thirty-five billion, forty-four million, four hundred fifty-two thousand, five hundred fifty-one".