201155567 has 8 divisors (see below), whose sum is σ = 206576640. Its totient is φ = 195806520.

The previous prime is 201155557. The next prime is 201155579. The reversal of 201155567 is 765551102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201155567 - 2⁶ = 201155503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201155557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12323 + ... + 23540.

It is an arithmetic number, because the mean of its divisors is an integer number (25822080).

Almost surely, 2^201155567 is an apocalyptic number.

201155567 is a deficient number, since it is larger than the sum of its proper divisors (5421073).

201155567 is an equidigital number, since it uses as much as digits as its factorization.

201155567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36013.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 201155567 is about 14182.9322426641. The cubic root of 201155567 is about 585.9276848565.

The spelling of 201155567 in words is "two hundred one million, one hundred fifty-five thousand, five hundred sixty-seven".