4145511166897 has 4 divisors (see below), whose sum is σ = 4146528973860. Its totient is φ = 4144493359936.

The previous prime is 4145511166889. The next prime is 4145511166949. The reversal of 4145511166897 is 7986611155414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 420008982561 + 3725502184336 = 648081^2 + 1930156^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145511166897 - 2³ = 4145511166889 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145511166817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508897372 + ... + 508905517.

It is an arithmetic number, because the mean of its divisors is an integer number (1036632243465).

Almost surely, 2^{4145511166897} is an apocalyptic number.

It is an amenable number.

4145511166897 is a deficient number, since it is larger than the sum of its proper divisors (1017806963).

4145511166897 is a wasteful number, since it uses less digits than its factorization.

4145511166897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017806962.

The product of its digits is 7257600, while the sum is 58.

The spelling of 4145511166897 in words is "four trillion, one hundred forty-five billion, five hundred eleven million, one hundred sixty-six thousand, eight hundred ninety-seven".