113248636531 has 8 divisors (see below), whose sum is σ = 115405519824. Its totient is φ = 111092498400.

The previous prime is 113248636463. The next prime is 113248636541. The reversal of 113248636531 is 135636842311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113248636531 - 2⁹ = 113248636019 is a prime.

It is a super-2 number, since 2×113248636531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113248636541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125481 + ... + 492181.

It is an arithmetic number, because the mean of its divisors is an integer number (14425689978).

Almost surely, 2^113248636531 is an apocalyptic number.

113248636531 is a deficient number, since it is larger than the sum of its proper divisors (2156883293).

113248636531 is an equidigital number, since it uses as much as digits as its factorization.

113248636531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372581.

The product of its digits is 311040, while the sum is 43.

The spelling of 113248636531 in words is "one hundred thirteen billion, two hundred forty-eight million, six hundred thirty-six thousand, five hundred thirty-one".