45171332011 has 32 divisors (see below), whose sum is σ = 51429934080. Its totient is φ = 39360816000.

The previous prime is 45171331993. The next prime is 45171332069. The reversal of 45171332011 is 11023317154.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45171332011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45171332071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9993610 + ... + 9998128.

It is an arithmetic number, because the mean of its divisors is an integer number (1607185440).

Almost surely, 2^45171332011 is an apocalyptic number.

45171332011 is a deficient number, since it is larger than the sum of its proper divisors (6258602069).

45171332011 is a wasteful number, since it uses less digits than its factorization.

45171332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 45171332011 its reverse (11023317154), we get a palindrome (56194649165).

The spelling of 45171332011 in words is "forty-five billion, one hundred seventy-one million, three hundred thirty-two thousand, eleven".