1080173955 has 64 divisors (see below), whose sum is σ = 2069084160. Its totient is φ = 470486016.

The previous prime is 1080173953. The next prime is 1080173971. The reversal of 1080173955 is 5593710801.

It is a Cunningham number, because it is equal to 32866²-1.

It is not a de Polignac number, because 1080173955 - 2¹ = 1080173953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1080173953) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 755181 + ... + 756609.

It is an arithmetic number, because the mean of its divisors is an integer number (32329440).

Almost surely, 2^1080173955 is an apocalyptic number.

1080173955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1080173955 is a deficient number, since it is larger than the sum of its proper divisors (988910205).

1080173955 is a wasteful number, since it uses less digits than its factorization.

1080173955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 1080173955 is about 32865.9999847867. Note that the first 4 decimals coincide. The cubic root of 1080173955 is about 1026.0406500239.

The spelling of 1080173955 in words is "one billion, eighty million, one hundred seventy-three thousand, nine hundred fifty-five".