201136533061 has 4 divisors (see below), whose sum is σ = 211722666400. Its totient is φ = 190550399724.

The previous prime is 201136533043. The next prime is 201136533067. The reversal of 201136533061 is 160335631102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160335631102 = 2 ⋅80167815551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201136533061 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 (201136533067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5293066641 + ... + 5293066678.

It is an arithmetic number, because the mean of its divisors is an integer number (52930666600).

Almost surely, 2^201136533061 is an apocalyptic number.

It is an amenable number.

201136533061 is a deficient number, since it is larger than the sum of its proper divisors (10586133339).

201136533061 is a wasteful number, since it uses less digits than its factorization.

201136533061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586133338.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 201136533061 in words is "two hundred one billion, one hundred thirty-six million, five hundred thirty-three thousand, sixty-one".