10885389618 has 16 divisors (see below), whose sum is σ = 22046359680. Its totient is φ = 3582533136.

The previous prime is 10885389563. The next prime is 10885389667. The reversal of 10885389618 is 81698358801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11482005 + ... + 11482952.

It is an arithmetic number, because the mean of its divisors is an integer number (1377897480).

Almost surely, 2^10885389618 is an apocalyptic number.

10885389618 is an abundant number, since it is smaller than the sum of its proper divisors (11160970062).

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

10885389618 is a wasteful number, since it uses less digits than its factorization.

10885389618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22965041.

The product of its (nonzero) digits is 3317760, while the sum is 57.

The spelling of 10885389618 in words is "ten billion, eight hundred eighty-five million, three hundred eighty-nine thousand, six hundred eighteen".