11131156604 has 12 divisors (see below), whose sum is σ = 19501640928. Its totient is φ = 5559259200.

The previous prime is 11131156549. The next prime is 11131156633. The reversal of 11131156604 is 40665113111.

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, 1575812 + ... + 1582859.

It is an arithmetic number, because the mean of its divisors is an integer number (1625136744).

Almost surely, 2^11131156604 is an apocalyptic number.

It is an amenable number.

11131156604 is a deficient number, since it is larger than the sum of its proper divisors (8370484324).

11131156604 is a wasteful number, since it uses less digits than its factorization.

11131156604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159556 (or 3159554 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 11131156604 its reverse (40665113111), we get a palindrome (51796269715).

The spelling of 11131156604 in words is "eleven billion, one hundred thirty-one million, one hundred fifty-six thousand, six hundred four".