45550112211 has 32 divisors (see below), whose sum is σ = 69081689600. Its totient is φ = 29653892640.

The previous prime is 45550112189. The next prime is 45550112243. The reversal of 45550112211 is 11221105554.

It is a happy number.

It is not a de Polignac number, because 45550112211 - 2¹⁸ = 45549850067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45550112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129450 + ... + 328416.

It is an arithmetic number, because the mean of its divisors is an integer number (2158802800).

Almost surely, 2^45550112211 is an apocalyptic number.

45550112211 is a deficient number, since it is larger than the sum of its proper divisors (23531577389).

45550112211 is a wasteful number, since it uses less digits than its factorization.

45550112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199176 (or 199170 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 45550112211 its reverse (11221105554), we get a palindrome (56771217765).

The spelling of 45550112211 in words is "forty-five billion, five hundred fifty million, one hundred twelve thousand, two hundred eleven".