561100110099 has 16 divisors (see below), whose sum is σ = 771524157600. Its totient is φ = 362493866240.

The previous prime is 561100110089. The next prime is 561100110101. The reversal of 561100110099 is 990011001165.

It is a cyclic number.

It is not a de Polignac number, because 561100110099 - 2²⁴ = 561083332883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561100110089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15289692 + ... + 15326345.

It is an arithmetic number, because the mean of its divisors is an integer number (48220259850).

Almost surely, 2^561100110099 is an apocalyptic number.

561100110099 is a deficient number, since it is larger than the sum of its proper divisors (210424047501).

561100110099 is a wasteful number, since it uses less digits than its factorization.

561100110099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616230.

The product of its (nonzero) digits is 2430, while the sum is 33.

The spelling of 561100110099 in words is "five hundred sixty-one billion, one hundred million, one hundred ten thousand, ninety-nine".