461256622251 has 16 divisors (see below), whose sum is σ = 647416944000. Its totient is φ = 291302319168.

The previous prime is 461256622241. The next prime is 461256622331. The reversal of 461256622251 is 152226652164.

It is a happy number.

It is not a de Polignac number, because 461256622251 - 2¹⁰ = 461256621227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461256622201) 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 15 ways as a sum of consecutive naturals, for example, 738015 + ... + 1211271.

It is an arithmetic number, because the mean of its divisors is an integer number (40463559000).

Almost surely, 2^461256622251 is an apocalyptic number.

461256622251 is a deficient number, since it is larger than the sum of its proper divisors (186160321749).

461256622251 is a wasteful number, since it uses less digits than its factorization.

461256622251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490378.

The product of its digits is 345600, while the sum is 42.

The spelling of 461256622251 in words is "four hundred sixty-one billion, two hundred fifty-six million, six hundred twenty-two thousand, two hundred fifty-one".