11112552146999 has 4 divisors (see below), whose sum is σ = 11112630177936. Its totient is φ = 11112474116064.

The previous prime is 11112552146929. The next prime is 11112552147017. The reversal of 11112552146999 is 99964125521111.

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 11112552146999 - 2⁸ = 11112552146743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112552146929) 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, 38801459 + ... + 39086804.

It is an arithmetic number, because the mean of its divisors is an integer number (2778157544484).

Almost surely, 2^{11112552146999} is an apocalyptic number.

11112552146999 is a deficient number, since it is larger than the sum of its proper divisors (78030937).

11112552146999 is an equidigital number, since it uses as much as digits as its factorization.

11112552146999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78030936.

The product of its digits is 1749600, while the sum is 56.

The spelling of 11112552146999 in words is "eleven trillion, one hundred twelve billion, five hundred fifty-two million, one hundred forty-six thousand, nine hundred ninety-nine".