40641121603 has 2 divisors, whose sum is σ = 40641121604. Its totient is φ = 40641121602.

The previous prime is 40641121481. The next prime is 40641121667. The reversal of 40641121603 is 30612114604.

40641121603 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 40641121603 - 2⁹ = 40641121091 is a prime.

It is not a weakly prime, because it can be changed into another prime (40641121673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20320560801 + 20320560802.

It is an arithmetic number, because the mean of its divisors is an integer number (20320560802).

Almost surely, 2^40641121603 is an apocalyptic number.

40641121603 is a deficient number, since it is larger than the sum of its proper divisors (1).

40641121603 is an equidigital number, since it uses as much as digits as its factorization.

40641121603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 40641121603 in words is "forty billion, six hundred forty-one million, one hundred twenty-one thousand, six hundred three".