108351423821601 has 27 divisors (see below), whose sum is σ = 156781118547417. Its totient is φ = 72108268784640.

The previous prime is 108351423821593. The next prime is 108351423821647. The reversal of 108351423821601 is 106128324153801.

The square root of 108351423821601 is 10409199.

It is a perfect power (a square), and thus also a powerful number.

108351423821601 is a `hidden beast` number, since 1 + 0 + 8 + 3 + 5 + 1 + 4 + 2 + 38 + 2 + 1 + 601 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3028905140625 + 105322518680976 = 1740375^2 + 10262676^2 .

It is not a de Polignac number, because 108351423821601 - 2³ = 108351423821593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108351423821401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20016886971 + ... + 20016892383.

Almost surely, 2^{108351423821601} is an apocalyptic number.

108351423821601 is the 10409199-th square number.

108351423821601 is the 5204600-th centered octagonal number.

It is an amenable number.

108351423821601 is a deficient number, since it is larger than the sum of its proper divisors (48429694725816).

108351423821601 is an frugal number, since it uses more digits than its factorization.

108351423821601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114 (or 6057 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 108351423821601 in words is "one hundred eight trillion, three hundred fifty-one billion, four hundred twenty-three million, eight hundred twenty-one thousand, six hundred one".