1018200091011 has 8 divisors (see below), whose sum is σ = 1365729464064. Its totient is φ = 674735389320.

The previous prime is 1018200090997. The next prime is 1018200091087. The reversal of 1018200091011 is 1101900028101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1018200091011 - 2⁹ = 1018200090499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1018200091211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016167255 + ... + 1016168256.

It is an arithmetic number, because the mean of its divisors is an integer number (170716183008).

Almost surely, 2^{1018200091011} is an apocalyptic number.

1018200091011 is a deficient number, since it is larger than the sum of its proper divisors (347529373053).

1018200091011 is a wasteful number, since it uses less digits than its factorization.

1018200091011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032335681.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 1018200091011 in words is "one trillion, eighteen billion, two hundred million, ninety-one thousand, eleven".