1100201999965 has 8 divisors (see below), whose sum is σ = 1321846587648. Its totient is φ = 879092141520.

The previous prime is 1100201999959. The next prime is 1100201999987. The reversal of 1100201999965 is 5699991020011.

It is a happy number.

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

It is not a de Polignac number, because 1100201999965 - 2⁵ = 1100201999933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133677781 + ... + 133686010.

It is an arithmetic number, because the mean of its divisors is an integer number (165230823456).

Almost surely, 2^{1100201999965} is an apocalyptic number.

It is an amenable number.

1100201999965 is a deficient number, since it is larger than the sum of its proper divisors (221644587683).

1100201999965 is an equidigital number, since it uses as much as digits as its factorization.

1100201999965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267364619.

The product of its (nonzero) digits is 393660, while the sum is 52.

The spelling of 1100201999965 in words is "one trillion, one hundred billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred sixty-five".