5445521310191 has 2 divisors, whose sum is σ = 5445521310192. Its totient is φ = 5445521310190.

The previous prime is 5445521310169. The next prime is 5445521310223. The reversal of 5445521310191 is 1910131255445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5445521310191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5445521310091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722760655095 + 2722760655096.

It is an arithmetic number, because the mean of its divisors is an integer number (2722760655096).

Almost surely, 2^{5445521310191} is an apocalyptic number.

5445521310191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445521310191 is an equidigital number, since it uses as much as digits as its factorization.

5445521310191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 5445521310191 in words is "five trillion, four hundred forty-five billion, five hundred twenty-one million, three hundred ten thousand, one hundred ninety-one".