11304252921 has 8 divisors (see below), whose sum is σ = 16231747840. Its totient is φ = 6956463312.

The previous prime is 11304252919. The next prime is 11304252941. The reversal of 11304252921 is 12925240311.

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

It is not a de Polignac number, because 11304252921 - 2¹ = 11304252919 is a prime.

It is a super-3 number, since 3×11304252921³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304252941) 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, 144926281 + ... + 144926358.

It is an arithmetic number, because the mean of its divisors is an integer number (2028968480).

Almost surely, 2^11304252921 is an apocalyptic number.

It is an amenable number.

11304252921 is a deficient number, since it is larger than the sum of its proper divisors (4927494919).

11304252921 is a wasteful number, since it uses less digits than its factorization.

11304252921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289852655.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11304252921 in words is "eleven billion, three hundred four million, two hundred fifty-two thousand, nine hundred twenty-one".