11776346503 has 4 divisors (see below), whose sum is σ = 11807094528. Its totient is φ = 11745598480.

The previous prime is 11776346473. The next prime is 11776346597. The reversal of 11776346503 is 30564367711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30564367711 = 17 ⋅1797903983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11776346503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11776346503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11776326503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15373438 + ... + 15374203.

It is an arithmetic number, because the mean of its divisors is an integer number (2951773632).

Almost surely, 2^11776346503 is an apocalyptic number.

11776346503 is a deficient number, since it is larger than the sum of its proper divisors (30748025).

11776346503 is an equidigital number, since it uses as much as digits as its factorization.

11776346503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30748024.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 11776346503 in words is "eleven billion, seven hundred seventy-six million, three hundred forty-six thousand, five hundred three".