11045131204545 has 12 divisors (see below), whose sum is σ = 19144894087956. Its totient is φ = 5890736642400.

The previous prime is 11045131204477. The next prime is 11045131204553. The reversal of 11045131204545 is 54540213154011.

11045131204545 is a `hidden beast` number, since 1 + 1 + 0 + 451 + 3 + 120 + 45 + 45 = 666.

11045131204545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7139412993024 + 3905718211521 = 2671968^2 + 1976289^2 .

It is not a de Polignac number, because 11045131204545 - 2²¹ = 11045129107393 is a prime.

It is a super-2 number, since 2×11045131204545² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122723680006 + ... + 122723680095.

It is an arithmetic number, because the mean of its divisors is an integer number (1595407840663).

Almost surely, 2^{11045131204545} is an apocalyptic number.

11045131204545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11045131204545 is a deficient number, since it is larger than the sum of its proper divisors (8099762883411).

11045131204545 is a wasteful number, since it uses less digits than its factorization.

11045131204545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245447360112 (or 245447360109 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 11045131204545 its reverse (54540213154011), we get a palindrome (65585344358556).

The spelling of 11045131204545 in words is "eleven trillion, forty-five billion, one hundred thirty-one million, two hundred four thousand, five hundred forty-five".