65171225119 has 48 divisors (see below), whose sum is σ = 88513205760. Its totient is φ = 46594154880.

The previous prime is 65171225113. The next prime is 65171225129. The reversal of 65171225119 is 91152217156.

It is not a de Polignac number, because 65171225119 - 2³ = 65171225111 is a prime.

It is a super-2 number, since 2×65171225119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65171225111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2158177 + ... + 2188165.

It is an arithmetic number, because the mean of its divisors is an integer number (1844025120).

Almost surely, 2^65171225119 is an apocalyptic number.

65171225119 is a deficient number, since it is larger than the sum of its proper divisors (23341980641).

65171225119 is a wasteful number, since it uses less digits than its factorization.

65171225119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30200 (or 30187 counting only the distinct ones).

The product of its digits is 37800, while the sum is 40.

The spelling of 65171225119 in words is "sixty-five billion, one hundred seventy-one million, two hundred twenty-five thousand, one hundred nineteen".