11311402132 has 12 divisors (see below), whose sum is σ = 20959362900. Its totient is φ = 5323012736.

The previous prime is 11311402117. The next prime is 11311402159. The reversal of 11311402132 is 23120411311.

It can be written as a sum of positive squares in 2 ways, for example, as 9596945296 + 1714456836 = 97964^2 + 41406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83172007 + ... + 83172142.

It is an arithmetic number, because the mean of its divisors is an integer number (1746613575).

Almost surely, 2^11311402132 is an apocalyptic number.

It is an amenable number.

11311402132 is a deficient number, since it is larger than the sum of its proper divisors (9647960768).

11311402132 is a wasteful number, since it uses less digits than its factorization.

11311402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166344170 (or 166344168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11311402132 its reverse (23120411311), we get a palindrome (34431813443).

The spelling of 11311402132 in words is "eleven billion, three hundred eleven million, four hundred two thousand, one hundred thirty-two".