1113051311 has 8 divisors (see below), whose sum is σ = 1149734400. Its totient is φ = 1076416920.

The previous prime is 1113051299. The next prime is 1113051347. The reversal of 1113051311 is 1131503111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113051311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113051311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113051361) 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, 37580 + ... + 60318.

It is an arithmetic number, because the mean of its divisors is an integer number (143716800).

Almost surely, 2^1113051311 is an apocalyptic number.

1113051311 is a deficient number, since it is larger than the sum of its proper divisors (36683089).

1113051311 is a wasteful number, since it uses less digits than its factorization.

1113051311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24349.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 1113051311 is about 33362.4236379793. The cubic root of 1113051311 is about 1036.3466833039.

Adding to 1113051311 its reverse (1131503111), we get a palindrome (2244554422).

The spelling of 1113051311 in words is "one billion, one hundred thirteen million, fifty-one thousand, three hundred eleven".