10990559142 has 96 divisors (see below), whose sum is σ = 25545592800. Its totient is φ = 3498417216.

The previous prime is 10990559141. The next prime is 10990559197. The reversal of 10990559142 is 24195509901.

10990559142 is a `hidden beast` number, since 1 + 0 + 9 + 90 + 559 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10990559141) 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 47 ways as a sum of consecutive naturals, for example, 17928828 + ... + 17929440.

It is an arithmetic number, because the mean of its divisors is an integer number (266099925).

Almost surely, 2^10990559142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10990559142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12772796400).

10990559142 is an abundant number, since it is smaller than the sum of its proper divisors (14555033658).

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

10990559142 is a wasteful number, since it uses less digits than its factorization.

10990559142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The spelling of 10990559142 in words is "ten billion, nine hundred ninety million, five hundred fifty-nine thousand, one hundred forty-two".