45631767121 has 2 divisors, whose sum is σ = 45631767122. Its totient is φ = 45631767120.

The previous prime is 45631767109. The next prime is 45631767187. The reversal of 45631767121 is 12176713654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31621730625 + 14010036496 = 177825^2 + 118364^2 .

It is a cyclic number.

It is not a de Polignac number, because 45631767121 - 2¹⁷ = 45631636049 is a prime.

It is not a weakly prime, because it can be changed into another prime (45631767721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22815883560 + 22815883561.

It is an arithmetic number, because the mean of its divisors is an integer number (22815883561).

Almost surely, 2^45631767121 is an apocalyptic number.

It is an amenable number.

45631767121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45631767121 is an equidigital number, since it uses as much as digits as its factorization.

45631767121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The spelling of 45631767121 in words is "forty-five billion, six hundred thirty-one million, seven hundred sixty-seven thousand, one hundred twenty-one".