1155603373663 has 8 divisors (see below), whose sum is σ = 1224373058208. Its totient is φ = 1086921801984.

The previous prime is 1155603373657. The next prime is 1155603373693. The reversal of 1155603373663 is 3663733065511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155603373663 - 2⁹ = 1155603373151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155603373633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22001206 + ... + 22053667.

It is an arithmetic number, because the mean of its divisors is an integer number (153046632276).

Almost surely, 2^{1155603373663} is an apocalyptic number.

1155603373663 is a deficient number, since it is larger than the sum of its proper divisors (68769684545).

1155603373663 is a wasteful number, since it uses less digits than its factorization.

1155603373663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44056433.

The product of its (nonzero) digits is 3061800, while the sum is 49.

The spelling of 1155603373663 in words is "one trillion, one hundred fifty-five billion, six hundred three million, three hundred seventy-three thousand, six hundred sixty-three".