1011100561099 has 8 divisors (see below), whose sum is σ = 1011968670240. Its totient is φ = 1010232590976.

The previous prime is 1011100561069. The next prime is 1011100561111. The reversal of 1011100561099 is 9901650011101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011100561099 - 2²³ = 1011092172491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011100561069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18804297 + ... + 18857989.

It is an arithmetic number, because the mean of its divisors is an integer number (126496083780).

Almost surely, 2^{1011100561099} is an apocalyptic number.

1011100561099 is a deficient number, since it is larger than the sum of its proper divisors (868109141).

1011100561099 is a wasteful number, since it uses less digits than its factorization.

1011100561099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69509.

The product of its (nonzero) digits is 2430, while the sum is 34.

The spelling of 1011100561099 in words is "one trillion, eleven billion, one hundred million, five hundred sixty-one thousand, ninety-nine".