41145172987 has 2 divisors, whose sum is σ = 41145172988. Its totient is φ = 41145172986.

The previous prime is 41145172979. The next prime is 41145173023. The reversal of 41145172987 is 78927154114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41145172987 - 2³ = 41145172979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41145172987.

It is not a weakly prime, because it can be changed into another prime (41145172907) 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, 20572586493 + 20572586494.

It is an arithmetic number, because the mean of its divisors is an integer number (20572586494).

Almost surely, 2^41145172987 is an apocalyptic number.

41145172987 is a deficient number, since it is larger than the sum of its proper divisors (1).

41145172987 is an equidigital number, since it uses as much as digits as its factorization.

41145172987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 49.

The spelling of 41145172987 in words is "forty-one billion, one hundred forty-five million, one hundred seventy-two thousand, nine hundred eighty-seven".