1089344336955 has 32 divisors (see below), whose sum is σ = 2029527788544. Its totient is φ = 488590018176.

The previous prime is 1089344336953. The next prime is 1089344336963. The reversal of 1089344336955 is 5596334439801.

It is not a de Polignac number, because 1089344336955 - 2¹ = 1089344336953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1089344336953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97869039 + ... + 97880168.

It is an arithmetic number, because the mean of its divisors is an integer number (63422743392).

Almost surely, 2^{1089344336955} is an apocalyptic number.

1089344336955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1089344336955 is a deficient number, since it is larger than the sum of its proper divisors (940183451589).

1089344336955 is a wasteful number, since it uses less digits than its factorization.

1089344336955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195749275.

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 1089344336955 in words is "one trillion, eighty-nine billion, three hundred forty-four million, three hundred thirty-six thousand, nine hundred fifty-five".