11316555451 has 4 divisors (see below), whose sum is σ = 11323125112. Its totient is φ = 11309985792.

The previous prime is 11316555443. The next prime is 11316555457. The reversal of 11316555451 is 15455561311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11316555451 - 2³ = 11316555443 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 11316555451.

It is not an unprimeable number, because it can be changed into a prime (11316555457) 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, 3282246 + ... + 3285691.

It is an arithmetic number, because the mean of its divisors is an integer number (2830781278).

Almost surely, 2^11316555451 is an apocalyptic number.

11316555451 is a deficient number, since it is larger than the sum of its proper divisors (6569661).

11316555451 is an equidigital number, since it uses as much as digits as its factorization.

11316555451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569660.

The product of its digits is 45000, while the sum is 37.

The spelling of 11316555451 in words is "eleven billion, three hundred sixteen million, five hundred fifty-five thousand, four hundred fifty-one".