45538821211 has 4 divisors (see below), whose sum is σ = 49041807472. Its totient is φ = 42035834952.

The previous prime is 45538821071. The next prime is 45538821253. The reversal of 45538821211 is 11212883554.

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

It is a cyclic number.

It is not a de Polignac number, because 45538821211 - 2³⁵ = 11179082843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45538821511) 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, 1751493111 + ... + 1751493136.

It is an arithmetic number, because the mean of its divisors is an integer number (12260451868).

Almost surely, 2^45538821211 is an apocalyptic number.

45538821211 is a deficient number, since it is larger than the sum of its proper divisors (3502986261).

45538821211 is a wasteful number, since it uses less digits than its factorization.

45538821211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502986260.

The product of its digits is 76800, while the sum is 40.

The spelling of 45538821211 in words is "forty-five billion, five hundred thirty-eight million, eight hundred twenty-one thousand, two hundred eleven".