11452177867 has 4 divisors (see below), whose sum is σ = 12333114640. Its totient is φ = 10571241096.

The previous prime is 11452177861. The next prime is 11452177907. The reversal of 11452177867 is 76877125411.

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

It is not a de Polignac number, because 11452177867 - 2³ = 11452177859 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 11452177867.

It is not an unprimeable number, because it can be changed into a prime (11452177861) 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 3 ways as a sum of consecutive naturals, for example, 440468367 + ... + 440468392.

It is an arithmetic number, because the mean of its divisors is an integer number (3083278660).

Almost surely, 2^11452177867 is an apocalyptic number.

11452177867 is a deficient number, since it is larger than the sum of its proper divisors (880936773).

11452177867 is an equidigital number, since it uses as much as digits as its factorization.

11452177867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880936772.

The product of its digits is 658560, while the sum is 49.

The spelling of 11452177867 in words is "eleven billion, four hundred fifty-two million, one hundred seventy-seven thousand, eight hundred sixty-seven".