11402124112 has 10 divisors (see below), whose sum is σ = 22091615498. Its totient is φ = 5701062048.

The previous prime is 11402124109. The next prime is 11402124161. The reversal of 11402124112 is 21142120411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10781914896 + 620209216 = 103836^2 + 24904^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11402124112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356316363 + ... + 356316394.

Almost surely, 2^11402124112 is an apocalyptic number.

It is an amenable number.

11402124112 is a deficient number, since it is larger than the sum of its proper divisors (10689491386).

11402124112 is an equidigital number, since it uses as much as digits as its factorization.

11402124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712632765 (or 712632759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11402124112 its reverse (21142120411), we get a palindrome (32544244523).

The spelling of 11402124112 in words is "eleven billion, four hundred two million, one hundred twenty-four thousand, one hundred twelve".