108628362865 has 48 divisors (see below), whose sum is σ = 148126643280. Its totient is φ = 76366540800.

The previous prime is 108628362853. The next prime is 108628362889. The reversal of 108628362865 is 568263826801.

It can be written as a sum of positive squares in 8 ways, for example, as 47568609 + 108580794256 = 6897^2 + 329516^2 .

It is not a de Polignac number, because 108628362865 - 2⁵ = 108628362833 is a prime.

It is a super-2 number, since 2×108628362865² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2683657 + ... + 2723833.

It is an arithmetic number, because the mean of its divisors is an integer number (3085971735).

Almost surely, 2^108628362865 is an apocalyptic number.

It is an amenable number.

108628362865 is a deficient number, since it is larger than the sum of its proper divisors (39498280415).

108628362865 is a wasteful number, since it uses less digits than its factorization.

108628362865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40354 (or 40343 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 108628362865 in words is "one hundred eight billion, six hundred twenty-eight million, three hundred sixty-two thousand, eight hundred sixty-five".