11401431124 has 12 divisors (see below), whose sum is σ = 20225826964. Its totient is φ = 5622623424.

The previous prime is 11401431103. The next prime is 11401431133. The reversal of 11401431124 is 42113410411.

It can be written as a sum of positive squares in 2 ways, for example, as 3574844100 + 7826587024 = 59790^2 + 88468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11401431095 and 11401431104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19522707 + ... + 19523290.

Almost surely, 2^11401431124 is an apocalyptic number.

It is an amenable number.

11401431124 is a deficient number, since it is larger than the sum of its proper divisors (8824395840).

11401431124 is a wasteful number, since it uses less digits than its factorization.

11401431124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39046074 (or 39046072 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11401431124 its reverse (42113410411), we get a palindrome (53514841535).

The spelling of 11401431124 in words is "eleven billion, four hundred one million, four hundred thirty-one thousand, one hundred twenty-four".