1131111404 has 24 divisors (see below), whose sum is σ = 1995855456. Its totient is φ = 560880000.

The previous prime is 1131111383. The next prime is 1131111407. The reversal of 1131111404 is 4041111311.

It is not an unprimeable number, because it can be changed into a prime (1131111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494744 + ... + 497024.

It is an arithmetic number, because the mean of its divisors is an integer number (83160644).

Almost surely, 2^1131111404 is an apocalyptic number.

It is an amenable number.

1131111404 is a deficient number, since it is larger than the sum of its proper divisors (864744052).

1131111404 is a wasteful number, since it uses less digits than its factorization.

1131111404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1131111404 is about 33631.9997026641. Note that the first 3 decimals coincide. The cubic root of 1131111404 is about 1041.9218052563.

Adding to 1131111404 its reverse (4041111311), we get a palindrome (5172222715).

The spelling of 1131111404 in words is "one billion, one hundred thirty-one million, one hundred eleven thousand, four hundred four".