11456542022 has 4 divisors (see below), whose sum is σ = 17184813036. Its totient is φ = 5728271010.

The previous prime is 11456542021. The next prime is 11456542067. The reversal of 11456542022 is 22024565411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11456542022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456542021) 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 as a sum of consecutive naturals, namely, 2864135504 + ... + 2864135507.

It is an arithmetic number, because the mean of its divisors is an integer number (4296203259).

Almost surely, 2^11456542022 is an apocalyptic number.

11456542022 is a deficient number, since it is larger than the sum of its proper divisors (5728271014).

11456542022 is an equidigital number, since it uses as much as digits as its factorization.

11456542022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728271013.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 11456542022 in words is "eleven billion, four hundred fifty-six million, five hundred forty-two thousand, twenty-two".