11205091232945 has 4 divisors (see below), whose sum is σ = 13446109479540. Its totient is φ = 8964072986352.

The previous prime is 11205091232873. The next prime is 11205091232957. The reversal of 11205091232945 is 54923219050211.

11205091232945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3344447261089 + 7860643971856 = 1828783^2 + 2803684^2 .

It is a cyclic number.

It is not a de Polignac number, because 11205091232945 - 2²² = 11205087038641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11205091232896 and 11205091232905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120509123290 + ... + 1120509123299.

It is an arithmetic number, because the mean of its divisors is an integer number (3361527369885).

Almost surely, 2^{11205091232945} is an apocalyptic number.

It is an amenable number.

11205091232945 is a deficient number, since it is larger than the sum of its proper divisors (2241018246595).

11205091232945 is an equidigital number, since it uses as much as digits as its factorization.

11205091232945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241018246594.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 11205091232945 in words is "eleven trillion, two hundred five billion, ninety-one million, two hundred thirty-two thousand, nine hundred forty-five".