3661204015057 has 2 divisors, whose sum is σ = 3661204015058. Its totient is φ = 3661204015056.

The previous prime is 3661204015039. The next prime is 3661204015093. The reversal of 3661204015057 is 7505104021663.

3661204015057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2930382490896 + 730821524161 = 1711836^2 + 854881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3661204015057 is a prime.

It is not a weakly prime, because it can be changed into another prime (3661204055057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830602007528 + 1830602007529.

It is an arithmetic number, because the mean of its divisors is an integer number (1830602007529).

Almost surely, 2^{3661204015057} is an apocalyptic number.

It is an amenable number.

3661204015057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661204015057 is an equidigital number, since it uses as much as digits as its factorization.

3661204015057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 3661204015057 in words is "three trillion, six hundred sixty-one billion, two hundred four million, fifteen thousand, fifty-seven".