11142403412 has 36 divisors (see below), whose sum is σ = 22715387604. Its totient is φ = 4768444800.

The previous prime is 11142403409. The next prime is 11142403427. The reversal of 11142403412 is 21430424111.

It can be written as a sum of positive squares in 2 ways, for example, as 10384832836 + 757570576 = 101906^2 + 27524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96848 + ... + 177944.

It is an arithmetic number, because the mean of its divisors is an integer number (630982989).

Almost surely, 2^11142403412 is an apocalyptic number.

It is an amenable number.

11142403412 is an abundant number, since it is smaller than the sum of its proper divisors (11572984192).

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

11142403412 is a wasteful number, since it uses less digits than its factorization.

11142403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81816 (or 81807 counting only the distinct ones).

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

Adding to 11142403412 its reverse (21430424111), we get a palindrome (32572827523).

The spelling of 11142403412 in words is "eleven billion, one hundred forty-two million, four hundred three thousand, four hundred twelve".