1920011091112 has 32 divisors (see below), whose sum is σ = 3610515384000. Its totient is φ = 957207437824.

The previous prime is 1920011091109. The next prime is 1920011091127. The reversal of 1920011091112 is 2111901100291.

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, 50776389 + ... + 50814187.

It is an arithmetic number, because the mean of its divisors is an integer number (112828605750).

Almost surely, 2^{1920011091112} is an apocalyptic number.

It is an amenable number.

1920011091112 is a deficient number, since it is larger than the sum of its proper divisors (1690504292888).

1920011091112 is a wasteful number, since it uses less digits than its factorization.

1920011091112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56145 (or 56141 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 1920011091112 in words is "one trillion, nine hundred twenty billion, eleven million, ninety-one thousand, one hundred twelve".