1373003640505 has 16 divisors (see below), whose sum is σ = 1923039751680. Its totient is φ = 921456545472.

The previous prime is 1373003640487. The next prime is 1373003640521. The reversal of 1373003640505 is 5050463003731.

It is a cyclic number.

It is not a de Polignac number, because 1373003640505 - 2⁵ = 1373003640473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417324690 + ... + 417327979.

It is an arithmetic number, because the mean of its divisors is an integer number (120189984480).

Almost surely, 2^{1373003640505} is an apocalyptic number.

It is an amenable number.

1373003640505 is a deficient number, since it is larger than the sum of its proper divisors (550036111175).

1373003640505 is an equidigital number, since it uses as much as digits as its factorization.

1373003640505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834652728.

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 1373003640505 in words is "one trillion, three hundred seventy-three billion, three million, six hundred forty thousand, five hundred five".