113315726551 has 4 divisors (see below), whose sum is σ = 113320257832. Its totient is φ = 113311195272.

The previous prime is 113315726549. The next prime is 113315726561. The reversal of 113315726551 is 155627513311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155627513311 = 89611 ⋅1736701.

It is a cyclic number.

It is not a de Polignac number, because 113315726551 - 2¹ = 113315726549 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 (113315726561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227920 + ... + 2278213.

It is an arithmetic number, because the mean of its divisors is an integer number (28330064458).

Almost surely, 2^113315726551 is an apocalyptic number.

113315726551 is a deficient number, since it is larger than the sum of its proper divisors (4531281).

113315726551 is an equidigital number, since it uses as much as digits as its factorization.

113315726551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531280.

The product of its digits is 94500, while the sum is 40.

The spelling of 113315726551 in words is "one hundred thirteen billion, three hundred fifteen million, seven hundred twenty-six thousand, five hundred fifty-one".