65108280156 has 12 divisors (see below), whose sum is σ = 151919320392. Its totient is φ = 21702760048.

The previous prime is 65108280143. The next prime is 65108280157.

65108280156 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65108280157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712844995 + ... + 2712845018.

It is an arithmetic number, because the mean of its divisors is an integer number (12659943366).

Almost surely, 2^65108280156 is an apocalyptic number.

It is an amenable number.

65108280156 is an abundant number, since it is smaller than the sum of its proper divisors (86811040236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65108280156 is a wasteful number, since it uses less digits than its factorization.

65108280156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425690020 (or 5425690018 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 65108280156 in words is "sixty-five billion, one hundred eight million, two hundred eighty thousand, one hundred fifty-six".