10981818109002 has 64 divisors (see below), whose sum is σ = 24216853288320. Its totient is φ = 3298579974144.

The previous prime is 10981818108971. The next prime is 10981818109039. The reversal of 10981818109002 is 20090181818901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5038774 + ... + 6881342.

It is an arithmetic number, because the mean of its divisors is an integer number (378388332630).

Almost surely, 2^{10981818109002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10981818109002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12108426644160).

10981818109002 is an abundant number, since it is smaller than the sum of its proper divisors (13235035179318).

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

10981818109002 is a wasteful number, since it uses less digits than its factorization.

10981818109002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844407.

The product of its (nonzero) digits is 82944, while the sum is 48.

The spelling of 10981818109002 in words is "ten trillion, nine hundred eighty-one billion, eight hundred eighteen million, one hundred nine thousand, two".