40265111189 has 2 divisors, whose sum is σ = 40265111190. Its totient is φ = 40265111188.

The previous prime is 40265111179. The next prime is 40265111197. The reversal of 40265111189 is 98111156204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35594482225 + 4670628964 = 188665^2 + 68342^2 .

It is a cyclic number.

It is not a de Polignac number, because 40265111189 - 2⁸ = 40265110933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40265111179) 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 as a sum of consecutive naturals, namely, 20132555594 + 20132555595.

It is an arithmetic number, because the mean of its divisors is an integer number (20132555595).

Almost surely, 2^40265111189 is an apocalyptic number.

It is an amenable number.

40265111189 is a deficient number, since it is larger than the sum of its proper divisors (1).

40265111189 is an equidigital number, since it uses as much as digits as its factorization.

40265111189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 40265111189 in words is "forty billion, two hundred sixty-five million, one hundred eleven thousand, one hundred eighty-nine".