11131403402 has 48 divisors (see below), whose sum is σ = 19705109760. Its totient is φ = 4701638592.

The previous prime is 11131403389. The next prime is 11131403407. The reversal of 11131403402 is 20430413111.

It is not an unprimeable number, because it can be changed into a prime (11131403407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3894758 + ... + 3897614.

It is an arithmetic number, because the mean of its divisors is an integer number (410523120).

Almost surely, 2^11131403402 is an apocalyptic number.

11131403402 is a deficient number, since it is larger than the sum of its proper divisors (8573706358).

11131403402 is a wasteful number, since it uses less digits than its factorization.

11131403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11131403402 its reverse (20430413111), we get a palindrome (31561816513).

The spelling of 11131403402 in words is "eleven billion, one hundred thirty-one million, four hundred three thousand, four hundred two".