245225121191 has 2 divisors, whose sum is σ = 245225121192. Its totient is φ = 245225121190.

The previous prime is 245225121139. The next prime is 245225121199. The reversal of 245225121191 is 191121522542.

It is a happy number.

245225121191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245225121191 - 2¹⁰ = 245225120167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245225121199) 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 as a sum of consecutive naturals, namely, 122612560595 + 122612560596.

It is an arithmetic number, because the mean of its divisors is an integer number (122612560596).

Almost surely, 2^245225121191 is an apocalyptic number.

245225121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

245225121191 is an equidigital number, since it uses as much as digits as its factorization.

245225121191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 35.

The spelling of 245225121191 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred ninety-one".