201286133091 has 12 divisors (see below), whose sum is σ = 290969789968. Its totient is φ = 134087761584.

The previous prime is 201286133071. The next prime is 201286133093. The reversal of 201286133091 is 190331682102.

201286133091 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 8 + 613 + 30 + 9 + 1 = 666.

It is not a de Polignac number, because 201286133091 - 2¹³ = 201286124899 is a prime.

It is a super-2 number, since 2×201286133091² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201286133093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8570440 + ... + 8593893.

Almost surely, 2^201286133091 is an apocalyptic number.

201286133091 is a deficient number, since it is larger than the sum of its proper divisors (89683656877).

201286133091 is a wasteful number, since it uses less digits than its factorization.

201286133091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17165642 (or 17165639 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 201286133091 in words is "two hundred one billion, two hundred eighty-six million, one hundred thirty-three thousand, ninety-one".