45511532177 has 2 divisors, whose sum is σ = 45511532178. Its totient is φ = 45511532176.

The previous prime is 45511532173. The next prime is 45511532189. The reversal of 45511532177 is 77123511554.

45511532177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45452534416 + 58997761 = 213196^2 + 7681^2 .

It is a cyclic number.

It is not a de Polignac number, because 45511532177 - 2² = 45511532173 is a prime.

It is a super-2 number, since 2×45511532177² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45511532173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22755766088 + 22755766089.

It is an arithmetic number, because the mean of its divisors is an integer number (22755766089).

Almost surely, 2^45511532177 is an apocalyptic number.

It is an amenable number.

45511532177 is a deficient number, since it is larger than the sum of its proper divisors (1).

45511532177 is an equidigital number, since it uses as much as digits as its factorization.

45511532177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 41.

The spelling of 45511532177 in words is "forty-five billion, five hundred eleven million, five hundred thirty-two thousand, one hundred seventy-seven".