1099560104511 has 32 divisors (see below), whose sum is σ = 1624180104960. Its totient is φ = 661605484320.

The previous prime is 1099560104509. The next prime is 1099560104579. The reversal of 1099560104511 is 1154010659901.

It is not a de Polignac number, because 1099560104511 - 2¹ = 1099560104509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099560106511) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 435520 + ... + 1545573.

It is an arithmetic number, because the mean of its divisors is an integer number (50755628280).

Almost surely, 2^{1099560104511} is an apocalyptic number.

1099560104511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1099560104511 is a deficient number, since it is larger than the sum of its proper divisors (524620000449).

1099560104511 is a wasteful number, since it uses less digits than its factorization.

1099560104511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981268 (or 1981246 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 42.

The spelling of 1099560104511 in words is "one trillion, ninety-nine billion, five hundred sixty million, one hundred four thousand, five hundred eleven".