45445045511 has 4 divisors (see below), whose sum is σ = 45457223112. Its totient is φ = 45432867912.

The previous prime is 45445045421. The next prime is 45445045549. The reversal of 45445045511 is 11554054454.

45445045511 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45445045511 is a prime.

It is a super-2 number, since 2×45445045511² (a number of 22 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 (45445345511) 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, 6083201 + ... + 6090666.

It is an arithmetic number, because the mean of its divisors is an integer number (11364305778).

Almost surely, 2^45445045511 is an apocalyptic number.

45445045511 is a deficient number, since it is larger than the sum of its proper divisors (12177601).

45445045511 is a wasteful number, since it uses less digits than its factorization.

45445045511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12177600.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 45445045511 its reverse (11554054454), we get a palindrome (56999099965).

The spelling of 45445045511 in words is "forty-five billion, four hundred forty-five million, forty-five thousand, five hundred eleven".