11401142432 has 36 divisors (see below), whose sum is σ = 23689568826. Its totient is φ = 5400535680.

The previous prime is 11401142399. The next prime is 11401142449. The reversal of 11401142432 is 23424110411.

It can be written as a sum of positive squares in only one way, i.e., 8056139536 + 3345002896 = 89756^2 + 57836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11401142398 and 11401142407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 481919 + ... + 505022.

Almost surely, 2^11401142432 is an apocalyptic number.

It is an amenable number.

11401142432 is an abundant number, since it is smaller than the sum of its proper divisors (12288426394).

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

11401142432 is an equidigital number, since it uses as much as digits as its factorization.

11401142432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986989 (or 986962 counting only the distinct ones).

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

Adding to 11401142432 its reverse (23424110411), we get a palindrome (34825252843).

The spelling of 11401142432 in words is "eleven billion, four hundred one million, one hundred forty-two thousand, four hundred thirty-two".