45411525217 has 4 divisors (see below), whose sum is σ = 45436741636. Its totient is φ = 45386308800.

The previous prime is 45411525199. The next prime is 45411525221. The reversal of 45411525217 is 71252511454.

It is a happy number.

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 11245329936 + 34166195281 = 106044^2 + 184841^2 .

It is a cyclic number.

It is not a de Polignac number, because 45411525217 - 2¹¹ = 45411523169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45411525287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12605508 + ... + 12609109.

It is an arithmetic number, because the mean of its divisors is an integer number (11359185409).

Almost surely, 2^45411525217 is an apocalyptic number.

It is an amenable number.

45411525217 is a deficient number, since it is larger than the sum of its proper divisors (25216419).

45411525217 is a wasteful number, since it uses less digits than its factorization.

45411525217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25216418.

The product of its digits is 56000, while the sum is 37.

The spelling of 45411525217 in words is "forty-five billion, four hundred eleven million, five hundred twenty-five thousand, two hundred seventeen".