201551014404529 has 2 divisors, whose sum is σ = 201551014404530. Its totient is φ = 201551014404528.

The previous prime is 201551014404521. The next prime is 201551014404533. The reversal of 201551014404529 is 925404410155102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132838072291600 + 68712942112929 = 11525540^2 + 8289327^2 .

It is a cyclic number.

It is not a de Polignac number, because 201551014404529 - 2³ = 201551014404521 is a prime.

It is a super-2 number, since 2×201551014404529² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201551014404521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100775507202264 + 100775507202265.

It is an arithmetic number, because the mean of its divisors is an integer number (100775507202265).

Almost surely, 2^{201551014404529} is an apocalyptic number.

It is an amenable number.

201551014404529 is a deficient number, since it is larger than the sum of its proper divisors (1).

201551014404529 is an equidigital number, since it uses as much as digits as its factorization.

201551014404529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 201551014404529 in words is "two hundred one trillion, five hundred fifty-one billion, fourteen million, four hundred four thousand, five hundred twenty-nine".