109271501796601 has 3 divisors (see below), whose sum is σ = 109271512249903. Its totient is φ = 109271491343300.

The previous prime is 109271501796547. The next prime is 109271501796619. The reversal of 109271501796601 is 106697105172901.

It is a happy number.

The square root of 109271501796601 is 10453301.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 107347233444201 + 1924268352400 = 10360851^2 + 1387180^2 .

It is not a de Polignac number, because 109271501796601 - 2⁷ = 109271501796473 is a prime.

It is a super-2 number, since 2×109271501796601² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109271501796001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5226651 + ... + 15679951.

Almost surely, 2^{109271501796601} is an apocalyptic number.

109271501796601 is the 10453301-st square number.

109271501796601 is the 5226651-st centered octagonal number.

It is an amenable number.

109271501796601 is a deficient number, since it is larger than the sum of its proper divisors (10453302).

109271501796601 is an frugal number, since it uses more digits than its factorization.

109271501796601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20906602 (or 10453301 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 55.

The spelling of 109271501796601 in words is "one hundred nine trillion, two hundred seventy-one billion, five hundred one million, seven hundred ninety-six thousand, six hundred one".