11402321144 has 16 divisors (see below), whose sum is σ = 21382908120. Its totient is φ = 5700212320.

The previous prime is 11402321087. The next prime is 11402321153. The reversal of 11402321144 is 44112320411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66062 + ... + 164829.

Almost surely, 2^11402321144 is an apocalyptic number.

It is an amenable number.

11402321144 is a deficient number, since it is larger than the sum of its proper divisors (9980586976).

11402321144 is a wasteful number, since it uses less digits than its factorization.

11402321144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237070 (or 237066 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11402321144 its reverse (44112320411), we get a palindrome (55514641555).

The spelling of 11402321144 in words is "eleven billion, four hundred two million, three hundred twenty-one thousand, one hundred forty-four".