1088099021805 has 16 divisors (see below), whose sum is σ = 1743717496704. Its totient is φ = 579399791040.

The previous prime is 1088099021777. The next prime is 1088099021809. The reversal of 1088099021805 is 5081209908801.

It is not a de Polignac number, because 1088099021805 - 2⁷ = 1088099021677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088099021809) 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, 57470674 + ... + 57489603.

It is an arithmetic number, because the mean of its divisors is an integer number (108982343544).

Almost surely, 2^{1088099021805} is an apocalyptic number.

1088099021805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1088099021805 is a deficient number, since it is larger than the sum of its proper divisors (655618474899).

1088099021805 is a wasteful number, since it uses less digits than its factorization.

1088099021805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114960916.

The product of its (nonzero) digits is 414720, while the sum is 51.

The spelling of 1088099021805 in words is "one trillion, eighty-eight billion, ninety-nine million, twenty-one thousand, eight hundred five".