11568891450 has 24 divisors (see below), whose sum is σ = 28690851168. Its totient is φ = 3085037680.

The previous prime is 11568891449. The next prime is 11568891479. The reversal of 11568891450 is 5419886511.

11568891450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11568891450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38562822 + ... + 38563121.

It is an arithmetic number, because the mean of its divisors is an integer number (1195452132).

Almost surely, 2^11568891450 is an apocalyptic number.

11568891450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11568891450 is an abundant number, since it is smaller than the sum of its proper divisors (17121959718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11568891450 is a wasteful number, since it uses less digits than its factorization.

11568891450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77125958 (or 77125953 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 11568891450 in words is "eleven billion, five hundred sixty-eight million, eight hundred ninety-one thousand, four hundred fifty".