11774638603 has 12 divisors (see below), whose sum is σ = 14750646960. Its totient is φ = 9316197072.

The previous prime is 11774638571. The next prime is 11774638613. The reversal of 11774638603 is 30683647711.

It is not a de Polignac number, because 11774638603 - 2⁵ = 11774638571 is a prime.

It is a super-2 number, since 2×11774638603² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11774638613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9241623 + ... + 9242896.

It is an arithmetic number, because the mean of its divisors is an integer number (1229220580).

Almost surely, 2^11774638603 is an apocalyptic number.

11774638603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11774638603 is a deficient number, since it is larger than the sum of its proper divisors (2976008357).

11774638603 is a wasteful number, since it uses less digits than its factorization.

11774638603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484546 (or 18484539 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 11774638603 in words is "eleven billion, seven hundred seventy-four million, six hundred thirty-eight thousand, six hundred three".