1356031765603 has 12 divisors (see below), whose sum is σ = 1375256365488. Its totient is φ = 1337072368320.

The previous prime is 1356031765519. The next prime is 1356031765609. The reversal of 1356031765603 is 3065671306531.

It is a happy number.

It is not a de Polignac number, because 1356031765603 - 2²⁵ = 1355998211171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356031765609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19528101 + ... + 19597417.

It is an arithmetic number, because the mean of its divisors is an integer number (114604697124).

Almost surely, 2^{1356031765603} is an apocalyptic number.

1356031765603 is a deficient number, since it is larger than the sum of its proper divisors (19224599885).

1356031765603 is an frugal number, since it uses more digits than its factorization.

1356031765603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73134 (or 73061 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 1356031765603 in words is "one trillion, three hundred fifty-six billion, thirty-one million, seven hundred sixty-five thousand, six hundred three".