1113143051 has 4 divisors (see below), whose sum is σ = 1178622072. Its totient is φ = 1047664032.

The previous prime is 1113143027. The next prime is 1113143077. The reversal of 1113143051 is 1503413111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1113143051 - 2²² = 1108948747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113143081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32739485 + ... + 32739518.

It is an arithmetic number, because the mean of its divisors is an integer number (294655518).

Almost surely, 2^1113143051 is an apocalyptic number.

1113143051 is a deficient number, since it is larger than the sum of its proper divisors (65479021).

1113143051 is an equidigital number, since it uses as much as digits as its factorization.

1113143051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65479020.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1113143051 is about 33363.7985097620. The cubic root of 1113143051 is about 1036.3751551368.

Adding to 1113143051 its reverse (1503413111), we get a palindrome (2616556162).

The spelling of 1113143051 in words is "one billion, one hundred thirteen million, one hundred forty-three thousand, fifty-one".