363511604081 has 2 divisors, whose sum is σ = 363511604082. Its totient is φ = 363511604080.

The previous prime is 363511604063. The next prime is 363511604089. The reversal of 363511604081 is 180406115363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209200123456 + 154311480625 = 457384^2 + 392825^2 .

It is a cyclic number.

It is not a de Polignac number, because 363511604081 - 2¹⁰ = 363511603057 is a prime.

It is a super-2 number, since 2×363511604081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (363511604089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181755802040 + 181755802041.

It is an arithmetic number, because the mean of its divisors is an integer number (181755802041).

Almost surely, 2^363511604081 is an apocalyptic number.

It is an amenable number.

363511604081 is a deficient number, since it is larger than the sum of its proper divisors (1).

363511604081 is an equidigital number, since it uses as much as digits as its factorization.

363511604081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 363511604081 in words is "three hundred sixty-three billion, five hundred eleven million, six hundred four thousand, eighty-one".