1099998900064 has 24 divisors (see below), whose sum is σ = 2185862307048. Its totient is φ = 544859266560.

The previous prime is 1099998900061. The next prime is 1099998900071. The reversal of 1099998900064 is 4600098999901.

It is a junction number, because it is equal to n+sod(n) for n = 1099998899969 and 1099998900005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099998900061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160627257 + ... + 160634104.

It is an arithmetic number, because the mean of its divisors is an integer number (91077596127).

Almost surely, 2^{1099998900064} is an apocalyptic number.

It is an amenable number.

1099998900064 is a deficient number, since it is larger than the sum of its proper divisors (1085863406984).

1099998900064 is a wasteful number, since it uses less digits than its factorization.

1099998900064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321261478 (or 321261470 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 64.

The spelling of 1099998900064 in words is "one trillion, ninety-nine billion, nine hundred ninety-eight million, nine hundred thousand, sixty-four".