1011009999992 has 8 divisors (see below), whose sum is σ = 1895643750000. Its totient is φ = 505504999992.

The previous prime is 1011009999991. The next prime is 1011010000001. The reversal of 1011009999992 is 2999999001101.

1011009999992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011009999991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63188124992 + ... + 63188125007.

It is an arithmetic number, because the mean of its divisors is an integer number (236955468750).

Almost surely, 2^{1011009999992} is an apocalyptic number.

It is an amenable number.

1011009999992 is a deficient number, since it is larger than the sum of its proper divisors (884633750008).

1011009999992 is a wasteful number, since it uses less digits than its factorization.

1011009999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126376250005 (or 126376250001 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 59.

The spelling of 1011009999992 in words is "one trillion, eleven billion, nine million, nine hundred ninety-nine thousand, nine hundred ninety-two".