113534523013521 has 8 divisors (see below), whose sum is σ = 151556002719264. Its totient is φ = 75601362658400.

The previous prime is 113534523013517. The next prime is 113534523013523. The reversal of 113534523013521 is 125310325435311.

It is a happy number.

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 113534523013521 - 2² = 113534523013517 is a prime.

It is a super-2 number, since 2×113534523013521² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113534523013521.

It is not an unprimeable number, because it can be changed into a prime (113534523013523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22079834655 + ... + 22079839796.

It is an arithmetic number, because the mean of its divisors is an integer number (18944500339908).

Almost surely, 2^{113534523013521} is an apocalyptic number.

It is an amenable number.

113534523013521 is a deficient number, since it is larger than the sum of its proper divisors (38021479705743).

113534523013521 is an equidigital number, since it uses as much as digits as its factorization.

113534523013521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44159675311.

The product of its (nonzero) digits is 162000, while the sum is 39.

Adding to 113534523013521 its reverse (125310325435311), we get a palindrome (238844848448832).

The spelling of 113534523013521 in words is "one hundred thirteen trillion, five hundred thirty-four billion, five hundred twenty-three million, thirteen thousand, five hundred twenty-one".