1011100561098 has 16 divisors (see below), whose sum is σ = 2141154129600. Its totient is φ = 317208019136.

The previous prime is 1011100561069. The next prime is 1011100561111. The reversal of 1011100561098 is 8901650011101.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956375198 + ... + 4956375401.

It is an arithmetic number, because the mean of its divisors is an integer number (133822133100).

Almost surely, 2^{1011100561098} is an apocalyptic number.

1011100561098 is an abundant number, since it is smaller than the sum of its proper divisors (1130053568502).

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

1011100561098 is a wasteful number, since it uses less digits than its factorization.

1011100561098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912750621.

The product of its (nonzero) digits is 2160, while the sum is 33.

Adding to 1011100561098 its reverse (8901650011101), we get a palindrome (9912750572199).

The spelling of 1011100561098 in words is "one trillion, eleven billion, one hundred million, five hundred sixty-one thousand, ninety-eight".