11144042156562 has 32 divisors (see below), whose sum is σ = 25498168198272. Its totient is φ = 3180753064704.

The previous prime is 11144042156561. The next prime is 11144042156591. The reversal of 11144042156562 is 26565124044111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (11144042156561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 135749313 + ... + 135831380.

It is an arithmetic number, because the mean of its divisors is an integer number (796817756196).

Almost surely, 2^{11144042156562} is an apocalyptic number.

11144042156562 is an abundant number, since it is smaller than the sum of its proper divisors (14354126041710).

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

11144042156562 is a wasteful number, since it uses less digits than its factorization.

11144042156562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271581682.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 11144042156562 in words is "eleven trillion, one hundred forty-four billion, forty-two million, one hundred fifty-six thousand, five hundred sixty-two".