36145604861 has 2 divisors, whose sum is σ = 36145604862. Its totient is φ = 36145604860.

The previous prime is 36145604857. The next prime is 36145604893. The reversal of 36145604861 is 16840654163.

36145604861 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., 18623787961 + 17521816900 = 136469^2 + 132370^2 .

It is a cyclic number.

It is not a de Polignac number, because 36145604861 - 2² = 36145604857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36145664861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18072802430 + 18072802431.

It is an arithmetic number, because the mean of its divisors is an integer number (18072802431).

Almost surely, 2^36145604861 is an apocalyptic number.

It is an amenable number.

36145604861 is a deficient number, since it is larger than the sum of its proper divisors (1).

36145604861 is an equidigital number, since it uses as much as digits as its factorization.

36145604861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 36145604861 in words is "thirty-six billion, one hundred forty-five million, six hundred four thousand, eight hundred sixty-one".