11333253721 has 8 divisors (see below), whose sum is σ = 11372201984. Its totient is φ = 11294337600.

The previous prime is 11333253707. The next prime is 11333253731. The reversal of 11333253721 is 12735233311.

11333253721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11333253721 - 2⁷ = 11333253593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11333253731) 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 7 ways as a sum of consecutive naturals, for example, 853096 + ... + 866278.

It is an arithmetic number, because the mean of its divisors is an integer number (1421525248).

Almost surely, 2^11333253721 is an apocalyptic number.

It is an amenable number.

11333253721 is a deficient number, since it is larger than the sum of its proper divisors (38948263).

11333253721 is a wasteful number, since it uses less digits than its factorization.

11333253721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16071.

The product of its digits is 11340, while the sum is 31.

The spelling of 11333253721 in words is "eleven billion, three hundred thirty-three million, two hundred fifty-three thousand, seven hundred twenty-one".