11310161603 has 8 divisors (see below), whose sum is σ = 12186090000. Its totient is φ = 10435078368.

The previous prime is 11310161587. The next prime is 11310161609. The reversal of 11310161603 is 30616101311.

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

It is not a de Polignac number, because 11310161603 - 2⁴ = 11310161587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310161609) 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, 183353 + ... + 237146.

It is an arithmetic number, because the mean of its divisors is an integer number (1523261250).

Almost surely, 2^11310161603 is an apocalyptic number.

11310161603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11310161603 is a deficient number, since it is larger than the sum of its proper divisors (875928397).

11310161603 is a wasteful number, since it uses less digits than its factorization.

11310161603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422581.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11310161603 its reverse (30616101311), we get a palindrome (41926262914).

The spelling of 11310161603 in words is "eleven billion, three hundred ten million, one hundred sixty-one thousand, six hundred three".