11147401321 has 16 divisors (see below), whose sum is σ = 13604336640. Its totient is φ = 8927835840.

The previous prime is 11147401319. The next prime is 11147401339. The reversal of 11147401321 is 12310474111.

It is not a de Polignac number, because 11147401321 - 2¹ = 11147401319 is a prime.

It is a super-2 number, since 2×11147401321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11147401351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879406 + ... + 891991.

It is an arithmetic number, because the mean of its divisors is an integer number (850271040).

Almost surely, 2^11147401321 is an apocalyptic number.

It is an amenable number.

11147401321 is a deficient number, since it is larger than the sum of its proper divisors (2456935319).

11147401321 is a wasteful number, since it uses less digits than its factorization.

11147401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771464.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 11147401321 its reverse (12310474111), we get a palindrome (23457875432).

The spelling of 11147401321 in words is "eleven billion, one hundred forty-seven million, four hundred one thousand, three hundred twenty-one".