11131402004 has 24 divisors (see below), whose sum is σ = 20243328000. Its totient is φ = 5350004640.

The previous prime is 11131402003. The next prime is 11131402033. The reversal of 11131402004 is 40020413111.

It is a happy number.

It is a super-2 number, since 2×11131402004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131402003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282764 + ... + 319715.

It is an arithmetic number, because the mean of its divisors is an integer number (843472000).

Almost surely, 2^11131402004 is an apocalyptic number.

It is an amenable number.

11131402004 is a deficient number, since it is larger than the sum of its proper divisors (9111925996).

11131402004 is a wasteful number, since it uses less digits than its factorization.

11131402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602663 (or 602661 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11131402004 its reverse (40020413111), we get a palindrome (51151815115).

The spelling of 11131402004 in words is "eleven billion, one hundred thirty-one million, four hundred two thousand, four".