11381004321 has 8 divisors (see below), whose sum is σ = 15209240640. Its totient is φ = 7570052112.

The previous prime is 11381004293. The next prime is 11381004347. The reversal of 11381004321 is 12340018311.

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

It is not a de Polignac number, because 11381004321 - 2¹¹ = 11381002273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11381004291 and 11381004300.

It is not an unprimeable number, because it can be changed into a prime (11381004221) 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, 4319490 + ... + 4322123.

It is an arithmetic number, because the mean of its divisors is an integer number (1901155080).

Almost surely, 2^11381004321 is an apocalyptic number.

It is an amenable number.

11381004321 is a deficient number, since it is larger than the sum of its proper divisors (3828236319).

11381004321 is an equidigital number, since it uses as much as digits as its factorization.

11381004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8642055.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 11381004321 in words is "eleven billion, three hundred eighty-one million, four thousand, three hundred twenty-one".