11777603603 has 4 divisors (see below), whose sum is σ = 11778771960. Its totient is φ = 11776435248.

The previous prime is 11777603599. The next prime is 11777603623. The reversal of 11777603603 is 30630677711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30630677711 = 59 ⋅519164029.

It is a cyclic number.

It is not a de Polignac number, because 11777603603 - 2² = 11777603599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11777603623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568925 + ... + 589262.

It is an arithmetic number, because the mean of its divisors is an integer number (2944692990).

Almost surely, 2^11777603603 is an apocalyptic number.

11777603603 is a deficient number, since it is larger than the sum of its proper divisors (1168357).

11777603603 is a wasteful number, since it uses less digits than its factorization.

11777603603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168356.

The product of its (nonzero) digits is 111132, while the sum is 41.

The spelling of 11777603603 in words is "eleven billion, seven hundred seventy-seven million, six hundred three thousand, six hundred three".