461265477121 has 4 divisors (see below), whose sum is σ = 466822892592. Its totient is φ = 455708061652.

The previous prime is 461265477107. The next prime is 461265477143. The reversal of 461265477121 is 121774562164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461265477121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461265427121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778707611 + ... + 2778707776.

It is an arithmetic number, because the mean of its divisors is an integer number (116705723148).

Almost surely, 2^461265477121 is an apocalyptic number.

It is an amenable number.

461265477121 is a deficient number, since it is larger than the sum of its proper divisors (5557415471).

461265477121 is an equidigital number, since it uses as much as digits as its factorization.

461265477121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557415470.

The product of its digits is 564480, while the sum is 46.

The spelling of 461265477121 in words is "four hundred sixty-one billion, two hundred sixty-five million, four hundred seventy-seven thousand, one hundred twenty-one".