1375808253803 has 4 divisors (see below), whose sum is σ = 1420189165248. Its totient is φ = 1331427342360.

The previous prime is 1375808253791. The next prime is 1375808253823. The reversal of 1375808253803 is 3083528085731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375808253803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375808253823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22190455676 + ... + 22190455737.

It is an arithmetic number, because the mean of its divisors is an integer number (355047291312).

Almost surely, 2^{1375808253803} is an apocalyptic number.

1375808253803 is a deficient number, since it is larger than the sum of its proper divisors (44380911445).

1375808253803 is an equidigital number, since it uses as much as digits as its factorization.

1375808253803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44380911444.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 1375808253803 in words is "one trillion, three hundred seventy-five billion, eight hundred eight million, two hundred fifty-three thousand, eight hundred three".