113352525521 has 4 divisors (see below), whose sum is σ = 114047939952. Its totient is φ = 112657111092.

The previous prime is 113352525509. The next prime is 113352525529. The reversal of 113352525521 is 125525253311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113352525521 - 2¹⁰ = 113352524497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113352525529) 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, 347706971 + ... + 347707296.

It is an arithmetic number, because the mean of its divisors is an integer number (28511984988).

Almost surely, 2^113352525521 is an apocalyptic number.

It is an amenable number.

113352525521 is a deficient number, since it is larger than the sum of its proper divisors (695414431).

113352525521 is an equidigital number, since it uses as much as digits as its factorization.

113352525521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695414430.

The product of its digits is 45000, while the sum is 35.

Adding to 113352525521 its reverse (125525253311), we get a palindrome (238877778832).

The spelling of 113352525521 in words is "one hundred thirteen billion, three hundred fifty-two million, five hundred twenty-five thousand, five hundred twenty-one".