45445221211 has 8 divisors (see below), whose sum is σ = 48942815040. Its totient is φ = 41947885632.

The previous prime is 45445221179. The next prime is 45445221229. The reversal of 45445221211 is 11212254454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45445221211 - 2⁵ = 45445221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45445221511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457071 + ... + 547543.

It is an arithmetic number, because the mean of its divisors is an integer number (6117851880).

Almost surely, 2^45445221211 is an apocalyptic number.

45445221211 is a deficient number, since it is larger than the sum of its proper divisors (3497593829).

45445221211 is a wasteful number, since it uses less digits than its factorization.

45445221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129125.

The product of its digits is 12800, while the sum is 31.

Adding to 45445221211 its reverse (11212254454), we get a palindrome (56657475665).

The spelling of 45445221211 in words is "forty-five billion, four hundred forty-five million, two hundred twenty-one thousand, two hundred eleven".