17941000155 has 64 divisors (see below), whose sum is σ = 32362122240. Its totient is φ = 8421152256.

The previous prime is 17941000141. The next prime is 17941000163. The reversal of 17941000155 is 55100014971.

It is not a de Polignac number, because 17941000155 - 2¹³ = 17940991963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1415436 + ... + 1428054.

It is an arithmetic number, because the mean of its divisors is an integer number (505658160).

Almost surely, 2^17941000155 is an apocalyptic number.

17941000155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17941000155 is the 109365-th pentagonal number.

17941000155 is a deficient number, since it is larger than the sum of its proper divisors (14421122085).

17941000155 is a wasteful number, since it uses less digits than its factorization.

17941000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980.

The product of its (nonzero) digits is 6300, while the sum is 33.

The spelling of 17941000155 in words is "seventeen billion, nine hundred forty-one million, one hundred fifty-five", and thus it is an aban number.