11131434044 has 12 divisors (see below), whose sum is σ = 19680835104. Its totient is φ = 5508338304.

The previous prime is 11131433959. The next prime is 11131434071. The reversal of 11131434044 is 44043413111.

It is a happy number.

It is a super-3 number, since 3×11131434044³ (a number of 31 digits) contains 333 as substring.

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, 14344244 + ... + 14345019.

It is an arithmetic number, because the mean of its divisors is an integer number (1640069592).

Almost surely, 2^11131434044 is an apocalyptic number.

It is an amenable number.

11131434044 is a deficient number, since it is larger than the sum of its proper divisors (8549401060).

11131434044 is a wasteful number, since it uses less digits than its factorization.

11131434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28689364 (or 28689362 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11131434044 its reverse (44043413111), we get a palindrome (55174847155).

The spelling of 11131434044 in words is "eleven billion, one hundred thirty-one million, four hundred thirty-four thousand, forty-four".