201150865857 has 8 divisors (see below), whose sum is σ = 268208184160. Its totient is φ = 134097062400.

The previous prime is 201150865813. The next prime is 201150865873. The reversal of 201150865857 is 758568051102.

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

It is not a de Polignac number, because 201150865857 - 2¹⁵ = 201150833089 is a prime.

It is a super-3 number, since 3×201150865857³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201150865957) 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, 742144 + ... + 976257.

It is an arithmetic number, because the mean of its divisors is an integer number (33526023020).

Almost surely, 2^201150865857 is an apocalyptic number.

It is an amenable number.

201150865857 is a deficient number, since it is larger than the sum of its proper divisors (67057318303).

201150865857 is a wasteful number, since it uses less digits than its factorization.

201150865857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757423.

The product of its (nonzero) digits is 672000, while the sum is 48.

The spelling of 201150865857 in words is "two hundred one billion, one hundred fifty million, eight hundred sixty-five thousand, eight hundred fifty-seven".