201040364557 has 2 divisors, whose sum is σ = 201040364558. Its totient is φ = 201040364556.

The previous prime is 201040364537. The next prime is 201040364611. The reversal of 201040364557 is 755463040102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200566039716 + 474324841 = 447846^2 + 21779^2 .

It is a cyclic number.

It is not a de Polignac number, because 201040364557 - 2⁷ = 201040364429 is a prime.

It is a super-2 number, since 2×201040364557² (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 (201040364537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520182278 + 100520182279.

It is an arithmetic number, because the mean of its divisors is an integer number (100520182279).

Almost surely, 2^201040364557 is an apocalyptic number.

It is an amenable number.

201040364557 is a deficient number, since it is larger than the sum of its proper divisors (1).

201040364557 is an equidigital number, since it uses as much as digits as its factorization.

201040364557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 201040364557 in words is "two hundred one billion, forty million, three hundred sixty-four thousand, five hundred fifty-seven".