45112421171 has 2 divisors, whose sum is σ = 45112421172. Its totient is φ = 45112421170.

The previous prime is 45112421147. The next prime is 45112421177. The reversal of 45112421171 is 17112421154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45112421171 - 2¹⁴ = 45112404787 is a prime.

It is a super-2 number, since 2×45112421171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45112421177) 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 as a sum of consecutive naturals, namely, 22556210585 + 22556210586.

It is an arithmetic number, because the mean of its divisors is an integer number (22556210586).

Almost surely, 2^45112421171 is an apocalyptic number.

45112421171 is a deficient number, since it is larger than the sum of its proper divisors (1).

45112421171 is an equidigital number, since it uses as much as digits as its factorization.

45112421171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 29.

The spelling of 45112421171 in words is "forty-five billion, one hundred twelve million, four hundred twenty-one thousand, one hundred seventy-one".