1081109955 has 16 divisors (see below), whose sum is σ = 1731379104. Its totient is φ = 576057600.

The previous prime is 1081109941. The next prime is 1081109969. The reversal of 1081109955 is 5599011801.

It is an interprime number because it is at equal distance from previous prime (1081109941) and next prime (1081109969).

It is not a de Polignac number, because 1081109955 - 2⁸ = 1081109699 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16396 + ... + 49305.

It is an arithmetic number, because the mean of its divisors is an integer number (108211194).

Almost surely, 2^1081109955 is an apocalyptic number.

1081109955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1081109955 is a deficient number, since it is larger than the sum of its proper divisors (650269149).

1081109955 is a wasteful number, since it uses less digits than its factorization.

1081109955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66806.

The product of its (nonzero) digits is 16200, while the sum is 39.

The square root of 1081109955 is about 32880.2365411200. The cubic root of 1081109955 is about 1026.3369284708.

The spelling of 1081109955 in words is "one billion, eighty-one million, one hundred nine thousand, nine hundred fifty-five".