461155383761 has 2 divisors, whose sum is σ = 461155383762.
Its totient is φ = 461155383760.
The previous prime is 461155383757. The next prime is 461155383803. The reversal of 461155383761 is 167383551164.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 326304855361 + 134850528400 = 571231^2 + 367220^2
It is a cyclic number.
It is not a de Polignac number, because 461155383761 - 22 = 461155383757 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (461155383061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230577691880 + 230577691881.
It is an arithmetic number, because the mean of its divisors is an integer number (230577691881).
Almost surely, 2461155383761 is an apocalyptic number.
It is an amenable number.
461155383761 is a deficient number, since it is larger than the sum of its proper divisors (1).
461155383761 is an equidigital number, since it uses as much as digits as its factorization.
461155383761 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1814400, while the sum is 50.
The spelling of 461155383761 in words is "four hundred sixty-one billion, one hundred fifty-five million, three hundred eighty-three thousand, seven hundred sixty-one".