113533005251 has 8 divisors (see below), whose sum is σ = 119930723520. Its totient is φ = 107177516712.

The previous prime is 113533005233. The next prime is 113533005253. The reversal of 113533005251 is 152500335311.

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 113533005251 - 2¹⁴ = 113532988867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113533005253) 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 7 ways as a sum of consecutive naturals, for example, 10551905 + ... + 10562658.

It is an arithmetic number, because the mean of its divisors is an integer number (14991340440).

Almost surely, 2^113533005251 is an apocalyptic number.

113533005251 is a deficient number, since it is larger than the sum of its proper divisors (6397718269).

113533005251 is a wasteful number, since it uses less digits than its factorization.

113533005251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21114865.

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 113533005251 in words is "one hundred thirteen billion, five hundred thirty-three million, five thousand, two hundred fifty-one".