40881257503 has 2 divisors, whose sum is σ = 40881257504. Its totient is φ = 40881257502.

The previous prime is 40881257479. The next prime is 40881257509. The reversal of 40881257503 is 30575218804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40881257503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40881257503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40881257509) 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, 20440628751 + 20440628752.

It is an arithmetic number, because the mean of its divisors is an integer number (20440628752).

Almost surely, 2^40881257503 is an apocalyptic number.

40881257503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40881257503 is an equidigital number, since it uses as much as digits as its factorization.

40881257503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 40881257503 in words is "forty billion, eight hundred eighty-one million, two hundred fifty-seven thousand, five hundred three".