11402322144 has 48 divisors (see below), whose sum is σ = 31691752848. Its totient is φ = 3577198592.

The previous prime is 11402322143. The next prime is 11402322157. The reversal of 11402322144 is 44122320411.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402322143) 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, 3491727 + ... + 3494990.

It is an arithmetic number, because the mean of its divisors is an integer number (660244851).

Almost surely, 2^11402322144 is an apocalyptic number.

It is an amenable number.

11402322144 is an abundant number, since it is smaller than the sum of its proper divisors (20289430704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11402322144 is a wasteful number, since it uses less digits than its factorization.

11402322144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986747 (or 6986739 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11402322144 its reverse (44122320411), we get a palindrome (55524642555).

The spelling of 11402322144 in words is "eleven billion, four hundred two million, three hundred twenty-two thousand, one hundred forty-four".