1045215111 has 4 divisors (see below), whose sum is σ = 1393620152. Its totient is φ = 696810072.

The previous prime is 1045215079. The next prime is 1045215167. The reversal of 1045215111 is 1115125401.

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

It is not a de Polignac number, because 1045215111 - 2⁵ = 1045215079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045215181) 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, 174202516 + ... + 174202521.

It is an arithmetic number, because the mean of its divisors is an integer number (348405038).

Almost surely, 2^1045215111 is an apocalyptic number.

1045215111 is a deficient number, since it is larger than the sum of its proper divisors (348405041).

1045215111 is an equidigital number, since it uses as much as digits as its factorization.

1045215111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348405040.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1045215111 is about 32329.7867453530. The cubic root of 1045215111 is about 1014.8500869779.

The spelling of 1045215111 in words is "one billion, forty-five million, two hundred fifteen thousand, one hundred eleven".