113352525561 has 32 divisors (see below), whose sum is σ = 168493529088. Its totient is φ = 67193259840.

The previous prime is 113352525553. The next prime is 113352525563. The reversal of 113352525561 is 165525253311.

It is not a de Polignac number, because 113352525561 - 2³ = 113352525553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113352525563) 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 31 ways as a sum of consecutive naturals, for example, 2454066 + ... + 2499828.

It is an arithmetic number, because the mean of its divisors is an integer number (5265422784).

Almost surely, 2^113352525561 is an apocalyptic number.

113352525561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113352525561 is a deficient number, since it is larger than the sum of its proper divisors (55141003527).

113352525561 is a wasteful number, since it uses less digits than its factorization.

113352525561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47421.

The product of its digits is 135000, while the sum is 39.

Adding to 113352525561 its reverse (165525253311), we get a palindrome (278877778872).

The spelling of 113352525561 in words is "one hundred thirteen billion, three hundred fifty-two million, five hundred twenty-five thousand, five hundred sixty-one".