113550501531 has 8 divisors (see below), whose sum is σ = 151408625680. Its totient is φ = 75696355872.

The previous prime is 113550501523. The next prime is 113550501601. The reversal of 113550501531 is 135105055311.

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

It is not a de Polignac number, because 113550501531 - 2³ = 113550501523 is a prime.

It is a super-2 number, since 2×113550501531² (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 (113550501511) 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 7 ways as a sum of consecutive naturals, for example, 927376 + ... + 1042653.

It is an arithmetic number, because the mean of its divisors is an integer number (18926078210).

Almost surely, 2^113550501531 is an apocalyptic number.

113550501531 is a deficient number, since it is larger than the sum of its proper divisors (37858124149).

113550501531 is a wasteful number, since it uses less digits than its factorization.

113550501531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989245.

The product of its (nonzero) digits is 5625, while the sum is 30.

Adding to 113550501531 its reverse (135105055311), we get a palindrome (248655556842).

The spelling of 113550501531 in words is "one hundred thirteen billion, five hundred fifty million, five hundred one thousand, five hundred thirty-one".