2245779011111 has 4 divisors (see below), whose sum is σ = 2246141064552. Its totient is φ = 2245416957672.

The previous prime is 2245779011089. The next prime is 2245779011131. The reversal of 2245779011111 is 1111109775422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245779011111 is a prime.

It is a super-2 number, since 2×2245779011111² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245779011131) 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, 181017416 + ... + 181029821.

It is an arithmetic number, because the mean of its divisors is an integer number (561535266138).

Almost surely, 2^{2245779011111} is an apocalyptic number.

2245779011111 is a deficient number, since it is larger than the sum of its proper divisors (362053441).

2245779011111 is an equidigital number, since it uses as much as digits as its factorization.

2245779011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362053440.

The product of its (nonzero) digits is 35280, while the sum is 41.

The spelling of 2245779011111 in words is "two trillion, two hundred forty-five billion, seven hundred seventy-nine million, eleven thousand, one hundred eleven".