108105545525 has 6 divisors (see below), whose sum is σ = 134050876482. Its totient is φ = 86484436400.

The previous prime is 108105545521. The next prime is 108105545567. The reversal of 108105545525 is 525545501801.

It can be written as a sum of positive squares in 3 ways, for example, as 28006357201 + 80099188324 = 167351^2 + 283018^2 .

It is not a de Polignac number, because 108105545525 - 2² = 108105545521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108105545521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2162110886 + ... + 2162110935.

It is an arithmetic number, because the mean of its divisors is an integer number (22341812747).

Almost surely, 2^108105545525 is an apocalyptic number.

It is an amenable number.

108105545525 is a deficient number, since it is larger than the sum of its proper divisors (25945330957).

108105545525 is an equidigital number, since it uses as much as digits as its factorization.

108105545525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324221831 (or 4324221826 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 41.

The spelling of 108105545525 in words is "one hundred eight billion, one hundred five million, five hundred forty-five thousand, five hundred twenty-five".