40256361321103 has 2 divisors, whose sum is σ = 40256361321104. Its totient is φ = 40256361321102.

The previous prime is 40256361321091. The next prime is 40256361321131. The reversal of 40256361321103 is 30112316365204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40256361321103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40256361321403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20128180660551 + 20128180660552.

It is an arithmetic number, because the mean of its divisors is an integer number (20128180660552).

Almost surely, 2^{40256361321103} is an apocalyptic number.

40256361321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40256361321103 is an equidigital number, since it uses as much as digits as its factorization.

40256361321103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 40256361321103 its reverse (30112316365204), we get a palindrome (70368677686307).

The spelling of 40256361321103 in words is "forty trillion, two hundred fifty-six billion, three hundred sixty-one million, three hundred twenty-one thousand, one hundred three".