1361508162803 has 4 divisors (see below), whose sum is σ = 1441596878280. Its totient is φ = 1281419447328.

The previous prime is 1361508162787. The next prime is 1361508162811. The reversal of 1361508162803 is 3082618051631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361508162803 - 2⁴ = 1361508162787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321508162803) 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, 40044357713 + ... + 40044357746.

It is an arithmetic number, because the mean of its divisors is an integer number (360399219570).

Almost surely, 2^{1361508162803} is an apocalyptic number.

1361508162803 is a deficient number, since it is larger than the sum of its proper divisors (80088715477).

1361508162803 is an equidigital number, since it uses as much as digits as its factorization.

1361508162803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80088715476.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 1361508162803 in words is "one trillion, three hundred sixty-one billion, five hundred eight million, one hundred sixty-two thousand, eight hundred three".