113526453665 has 4 divisors (see below), whose sum is σ = 136231744404. Its totient is φ = 90821162928.

The previous prime is 113526453629. The next prime is 113526453673. The reversal of 113526453665 is 566354625311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566354625311 = 69371 ⋅8164141.

It can be written as a sum of positive squares in 2 ways, for example, as 34524984481 + 79001469184 = 185809^2 + 281072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113526453665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11352645362 + ... + 11352645371.

It is an arithmetic number, because the mean of its divisors is an integer number (34057936101).

Almost surely, 2^113526453665 is an apocalyptic number.

It is an amenable number.

113526453665 is a deficient number, since it is larger than the sum of its proper divisors (22705290739).

113526453665 is an equidigital number, since it uses as much as digits as its factorization.

113526453665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22705290738.

The product of its digits is 1944000, while the sum is 47.

The spelling of 113526453665 in words is "one hundred thirteen billion, five hundred twenty-six million, four hundred fifty-three thousand, six hundred sixty-five".