1109680488959 has 12 divisors (see below), whose sum is σ = 1358792436600. Its totient is φ = 901093930128.

The previous prime is 1109680488953. The next prime is 1109680489063. The reversal of 1109680488959 is 9598840869011.

It is not a de Polignac number, because 1109680488959 - 2⁸ = 1109680488703 is a prime.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109680488953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595960664 + ... + 595962525.

It is an arithmetic number, because the mean of its divisors is an integer number (113232703050).

Almost surely, 2^{1109680488959} is an apocalyptic number.

1109680488959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1109680488959 is a deficient number, since it is larger than the sum of its proper divisors (249111947641).

1109680488959 is a wasteful number, since it uses less digits than its factorization.

1109680488959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191923222 (or 1191923215 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 68.

The spelling of 1109680488959 in words is "one trillion, one hundred nine billion, six hundred eighty million, four hundred eighty-eight thousand, nine hundred fifty-nine".