1361603632403 has 32 divisors (see below), whose sum is σ = 1601481165312. Its totient is φ = 1133560915200.

The previous prime is 1361603632393. The next prime is 1361603632409. The reversal of 1361603632403 is 3042363061631.

It is not a de Polignac number, because 1361603632403 - 2¹⁰ = 1361603631379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361603632409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80832500 + ... + 80849342.

It is an arithmetic number, because the mean of its divisors is an integer number (50046286416).

Almost surely, 2^{1361603632403} is an apocalyptic number.

1361603632403 is a deficient number, since it is larger than the sum of its proper divisors (239877532909).

1361603632403 is a wasteful number, since it uses less digits than its factorization.

1361603632403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 1361603632403 in words is "one trillion, three hundred sixty-one billion, six hundred three million, six hundred thirty-two thousand, four hundred three".