1081090909116 has 18 divisors (see below), whose sum is σ = 2732757575912. Its totient is φ = 360363636360.

The previous prime is 1081090909109. The next prime is 1081090909117. The reversal of 1081090909116 is 6119090901801.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081090909117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15015151480 + ... + 15015151551.

Almost surely, 2^{1081090909116} is an apocalyptic number.

It is an amenable number.

1081090909116 is an abundant number, since it is smaller than the sum of its proper divisors (1651666666796).

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

1081090909116 is a wasteful number, since it uses less digits than its factorization.

1081090909116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030303041 (or 30030303036 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 45.

The spelling of 1081090909116 in words is "one trillion, eighty-one billion, ninety million, nine hundred nine thousand, one hundred sixteen".