11345153221 has 8 divisors (see below), whose sum is σ = 11422645920. Its totient is φ = 11267757072.

The previous prime is 11345153203. The next prime is 11345153243. The reversal of 11345153221 is 12235154311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11345153221 - 2⁷ = 11345153093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11345153221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345153021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220050 + ... + 266668.

It is an arithmetic number, because the mean of its divisors is an integer number (1427830740).

Almost surely, 2^11345153221 is an apocalyptic number.

It is an amenable number.

11345153221 is a deficient number, since it is larger than the sum of its proper divisors (77492699).

11345153221 is a wasteful number, since it uses less digits than its factorization.

11345153221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48275.

The product of its digits is 3600, while the sum is 28.

The spelling of 11345153221 in words is "eleven billion, three hundred forty-five million, one hundred fifty-three thousand, two hundred twenty-one".