1111214145 has 32 divisors (see below), whose sum is σ = 1876291200. Its totient is φ = 560024064.

The previous prime is 1111214123. The next prime is 1111214171. The reversal of 1111214145 is 5414121111.

It is not a de Polignac number, because 1111214145 - 2⁸ = 1111213889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111799 + ... + 121331.

It is an arithmetic number, because the mean of its divisors is an integer number (58634100).

Almost surely, 2^1111214145 is an apocalyptic number.

1111214145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111214145 is a deficient number, since it is larger than the sum of its proper divisors (765077055).

1111214145 is a wasteful number, since it uses less digits than its factorization.

1111214145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969.

The product of its digits is 160, while the sum is 21.

The square root of 1111214145 is about 33334.8788058394. The cubic root of 1111214145 is about 1035.7761826866.

Adding to 1111214145 its reverse (5414121111), we get a palindrome (6525335256).

The spelling of 1111214145 in words is "one billion, one hundred eleven million, two hundred fourteen thousand, one hundred forty-five".