1113111051 has 16 divisors (see below), whose sum is σ = 1625406720. Its totient is φ = 673380000.

The previous prime is 1113111019. The next prime is 1113111073. The reversal of 1113111051 is 1501113111.

It is not a de Polignac number, because 1113111051 - 2⁵ = 1113111019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113111051.

It is not an unprimeable number, because it can be changed into a prime (1113111851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239575 + ... + 244176.

It is an arithmetic number, because the mean of its divisors is an integer number (101587920).

Almost surely, 2^1113111051 is an apocalyptic number.

1113111051 is a deficient number, since it is larger than the sum of its proper divisors (512295669).

1113111051 is a wasteful number, since it uses less digits than its factorization.

1113111051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483826.

The product of its (nonzero) digits is 15, while the sum is 15.

The square root of 1113111051 is about 33363.3189446134. The cubic root of 1113111051 is about 1036.3652240015.

Adding to 1113111051 its reverse (1501113111), we get a palindrome (2614224162).

The spelling of 1113111051 in words is "one billion, one hundred thirteen million, one hundred eleven thousand, fifty-one".