1325511010168 has 8 divisors (see below), whose sum is σ = 2485333144080. Its totient is φ = 662755505080.

The previous prime is 1325511010157. The next prime is 1325511010169. The reversal of 1325511010168 is 8610101155231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325511010169) 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 as a sum of consecutive naturals, namely, 82844438128 + ... + 82844438143.

It is an arithmetic number, because the mean of its divisors is an integer number (310666643010).

Almost surely, 2^{1325511010168} is an apocalyptic number.

It is an amenable number.

1325511010168 is a deficient number, since it is larger than the sum of its proper divisors (1159822133912).

1325511010168 is a wasteful number, since it uses less digits than its factorization.

1325511010168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165688876277 (or 165688876273 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 34.

Adding to 1325511010168 its reverse (8610101155231), we get a palindrome (9935612165399).

The spelling of 1325511010168 in words is "one trillion, three hundred twenty-five billion, five hundred eleven million, ten thousand, one hundred sixty-eight".