36665555241577 has 2 divisors, whose sum is σ = 36665555241578. Its totient is φ = 36665555241576.

The previous prime is 36665555241541. The next prime is 36665555241613. The reversal of 36665555241577 is 77514255556663.

It is a balanced prime because it is at equal distance from previous prime (36665555241541) and next prime (36665555241613).

It can be written as a sum of positive squares in only one way, i.e., 26332538562576 + 10333016679001 = 5131524^2 + 3214501^2 .

It is a cyclic number.

It is not a de Polignac number, because 36665555241577 - 2¹⁵ = 36665555208809 is a prime.

It is not a weakly prime, because it can be changed into another prime (36665555541577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18332777620788 + 18332777620789.

It is an arithmetic number, because the mean of its divisors is an integer number (18332777620789).

Almost surely, 2^{36665555241577} is an apocalyptic number.

It is an amenable number.

36665555241577 is a deficient number, since it is larger than the sum of its proper divisors (1).

36665555241577 is an equidigital number, since it uses as much as digits as its factorization.

36665555241577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800000, while the sum is 67.

The spelling of 36665555241577 in words is "thirty-six trillion, six hundred sixty-five billion, five hundred fifty-five million, two hundred forty-one thousand, five hundred seventy-seven".