11143402401 has 8 divisors (see below), whose sum is σ = 14858737024. Its totient is φ = 7428501360.

The previous prime is 11143402381. The next prime is 11143402421. The reversal of 11143402401 is 10420434111.

It is an interprime number because it is at equal distance from previous prime (11143402381) and next prime (11143402421).

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

It is not a de Polignac number, because 11143402401 - 2²² = 11139208097 is a prime.

It is a super-2 number, since 2×11143402401² (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 (11143402421) 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, 42745 + ... + 155286.

It is an arithmetic number, because the mean of its divisors is an integer number (1857342128).

Almost surely, 2^11143402401 is an apocalyptic number.

It is an amenable number.

11143402401 is a deficient number, since it is larger than the sum of its proper divisors (3715334623).

11143402401 is a wasteful number, since it uses less digits than its factorization.

11143402401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216791.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11143402401 its reverse (10420434111), we get a palindrome (21563836512).

The spelling of 11143402401 in words is "eleven billion, one hundred forty-three million, four hundred two thousand, four hundred one".