1111164645 has 16 divisors (see below), whose sum is σ = 1779751872. Its totient is φ = 591991680.

The previous prime is 1111164619. The next prime is 1111164679. The reversal of 1111164645 is 5464611111.

It is not a de Polignac number, because 1111164645 - 2¹⁰ = 1111163621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24571 + ... + 53160.

It is an arithmetic number, because the mean of its divisors is an integer number (111234492).

Almost surely, 2^1111164645 is an apocalyptic number.

1111164645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111164645 is a deficient number, since it is larger than the sum of its proper divisors (668587227).

1111164645 is an equidigital number, since it uses as much as digits as its factorization.

1111164645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78692.

The product of its digits is 2880, while the sum is 30.

The square root of 1111164645 is about 33334.1363319946. The cubic root of 1111164645 is about 1035.7608026081.

Adding to 1111164645 its reverse (5464611111), we get a palindrome (6575775756).

The spelling of 1111164645 in words is "one billion, one hundred eleven million, one hundred sixty-four thousand, six hundred forty-five".