45531265552777 has 2 divisors, whose sum is σ = 45531265552778. Its totient is φ = 45531265552776.

The previous prime is 45531265552627. The next prime is 45531265552811. The reversal of 45531265552777 is 77725556213554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43893950813001 + 1637314739776 = 6625251^2 + 1279576^2 .

It is a cyclic number.

It is not a de Polignac number, because 45531265552777 - 2¹⁹ = 45531265028489 is a prime.

It is a super-2 number, since 2×45531265552777² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45531265555777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765632776388 + 22765632776389.

It is an arithmetic number, because the mean of its divisors is an integer number (22765632776389).

Almost surely, 2^{45531265552777} is an apocalyptic number.

It is an amenable number.

45531265552777 is a deficient number, since it is larger than the sum of its proper divisors (1).

45531265552777 is an equidigital number, since it uses as much as digits as its factorization.

45531265552777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308700000, while the sum is 64.

The spelling of 45531265552777 in words is "forty-five trillion, five hundred thirty-one billion, two hundred sixty-five million, five hundred fifty-two thousand, seven hundred seventy-seven".