45315273311761 has 2 divisors, whose sum is σ = 45315273311762. Its totient is φ = 45315273311760.

The previous prime is 45315273311753. The next prime is 45315273311773. The reversal of 45315273311761 is 16711337251354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24158208010000 + 21157065301761 = 4915100^2 + 4599681^2 .

It is a cyclic number.

It is not a de Polignac number, because 45315273311761 - 2³ = 45315273311753 is a prime.

It is a super-2 number, since 2×45315273311761² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45315273311261) 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, 22657636655880 + 22657636655881.

It is an arithmetic number, because the mean of its divisors is an integer number (22657636655881).

Almost surely, 2^{45315273311761} is an apocalyptic number.

It is an amenable number.

45315273311761 is a deficient number, since it is larger than the sum of its proper divisors (1).

45315273311761 is an equidigital number, since it uses as much as digits as its factorization.

45315273311761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 49.

The spelling of 45315273311761 in words is "forty-five trillion, three hundred fifteen billion, two hundred seventy-three million, three hundred eleven thousand, seven hundred sixty-one".