113521040531 has 8 divisors (see below), whose sum is σ = 119044267680. Its totient is φ = 108105060672.

The previous prime is 113521040513. The next prime is 113521040551. The reversal of 113521040531 is 135040125311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113521040531 is a prime.

It is a super-2 number, since 2×113521040531² (a number of 23 digits) contains 22 as substring.

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 113521040531.

It is not an unprimeable number, because it can be changed into a prime (113521040551) 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, 26809655 + ... + 26813888.

It is an arithmetic number, because the mean of its divisors is an integer number (14880533460).

Almost surely, 2^113521040531 is an apocalyptic number.

113521040531 is a deficient number, since it is larger than the sum of its proper divisors (5523227149).

113521040531 is an equidigital number, since it uses as much as digits as its factorization.

113521040531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53623645.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 113521040531 its reverse (135040125311), we get a palindrome (248561165842).

The spelling of 113521040531 in words is "one hundred thirteen billion, five hundred twenty-one million, forty thousand, five hundred thirty-one".