10866143442 has 32 divisors (see below), whose sum is σ = 27094800384. Its totient is φ = 2822374800.

The previous prime is 10866143423. The next prime is 10866143459. The reversal of 10866143442 is 24434166801.

It is a self number, because there is not a number n which added to its sum of digits gives 10866143442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11759434 + ... + 11760357.

It is an arithmetic number, because the mean of its divisors is an integer number (846712512).

Almost surely, 2^10866143442 is an apocalyptic number.

10866143442 is an abundant number, since it is smaller than the sum of its proper divisors (16228656942).

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

10866143442 is a wasteful number, since it uses less digits than its factorization.

10866143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23519814.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 10866143442 in words is "ten billion, eight hundred sixty-six million, one hundred forty-three thousand, four hundred forty-two".