11111010001092 has 36 divisors (see below), whose sum is σ = 28147088645676. Its totient is φ = 3695636003520.

The previous prime is 11111010001079. The next prime is 11111010001109. The reversal of 11111010001092 is 29010001011111.

It can be written as a sum of positive squares in 2 ways, for example, as 4119089438916 + 6991920562176 = 2029554^2 + 2644224^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334733043 + ... + 334766234.

It is an arithmetic number, because the mean of its divisors is an integer number (781863573491).

Almost surely, 2^{11111010001092} is an apocalyptic number.

11111010001092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111010001092 is an abundant number, since it is smaller than the sum of its proper divisors (17036078644584).

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

11111010001092 is a wasteful number, since it uses less digits than its factorization.

11111010001092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669499748 (or 669499743 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 11111010001092 in words is "eleven trillion, one hundred eleven billion, ten million, one thousand, ninety-two".