201050561087 has 2 divisors, whose sum is σ = 201050561088. Its totient is φ = 201050561086.

The previous prime is 201050561027. The next prime is 201050561099. The reversal of 201050561087 is 780165050102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201050561087 is a prime.

It is a super-2 number, since 2×201050561087² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201050561027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100525280543 + 100525280544.

It is an arithmetic number, because the mean of its divisors is an integer number (100525280544).

Almost surely, 2^201050561087 is an apocalyptic number.

201050561087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050561087 is an equidigital number, since it uses as much as digits as its factorization.

201050561087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 201050561087 in words is "two hundred one billion, fifty million, five hundred sixty-one thousand, eighty-seven".