11451030321 has 8 divisors (see below), whose sum is σ = 15592892544. Its totient is φ = 7471594160.

The previous prime is 11451030301. The next prime is 11451030403. The reversal of 11451030321 is 12303015411.

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 11451030321 - 2³⁰ = 10377288497 is a prime.

It is a super-2 number, since 2×11451030321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11451030301) 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, 40606350 + ... + 40606631.

It is an arithmetic number, because the mean of its divisors is an integer number (1949111568).

Almost surely, 2^11451030321 is an apocalyptic number.

It is an amenable number.

11451030321 is a deficient number, since it is larger than the sum of its proper divisors (4141862223).

11451030321 is an equidigital number, since it uses as much as digits as its factorization.

11451030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81213031.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11451030321 its reverse (12303015411), we get a palindrome (23754045732).

The spelling of 11451030321 in words is "eleven billion, four hundred fifty-one million, thirty thousand, three hundred twenty-one".