113554533005251 has 4 divisors (see below), whose sum is σ = 122289497082592. Its totient is φ = 104819568927912.

The previous prime is 113554533005237. The next prime is 113554533005269. The reversal of 113554533005251 is 152500335455311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113554533005251 - 2¹⁷ = 113554532874179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113554533005198 and 113554533005207.

It is not an unprimeable number, because it can be changed into a prime (113554533006251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4367482038651 + ... + 4367482038676.

It is an arithmetic number, because the mean of its divisors is an integer number (30572374270648).

Almost surely, 2^{113554533005251} is an apocalyptic number.

113554533005251 is a deficient number, since it is larger than the sum of its proper divisors (8734964077341).

113554533005251 is an equidigital number, since it uses as much as digits as its factorization.

113554533005251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734964077340.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 113554533005251 in words is "one hundred thirteen trillion, five hundred fifty-four billion, five hundred thirty-three million, five thousand, two hundred fifty-one".