11445652887 has 4 divisors (see below), whose sum is σ = 15260870520. Its totient is φ = 7630435256.

The previous prime is 11445652873. The next prime is 11445652891. The reversal of 11445652887 is 78825654411.

It is a happy number.

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 11445652887 - 2⁴ = 11445652871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445652847) 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, 1907608812 + ... + 1907608817.

It is an arithmetic number, because the mean of its divisors is an integer number (3815217630).

Almost surely, 2^11445652887 is an apocalyptic number.

11445652887 is a deficient number, since it is larger than the sum of its proper divisors (3815217633).

11445652887 is an equidigital number, since it uses as much as digits as its factorization.

11445652887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815217632.

The product of its digits is 2150400, while the sum is 51.

The spelling of 11445652887 in words is "eleven billion, four hundred forty-five million, six hundred fifty-two thousand, eight hundred eighty-seven".