109186237441 has 4 divisors (see below), whose sum is σ = 109422061312. Its totient is φ = 108950413572.

The previous prime is 109186237429. The next prime is 109186237451. The reversal of 109186237441 is 144732681901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144732681901 = 89 ⋅1626209909.

It is a cyclic number.

It is not a de Polignac number, because 109186237441 - 2²³ = 109177848833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109186237391 and 109186237400.

It is not an unprimeable number, because it can be changed into a prime (109186237451) 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, 117911241 + ... + 117912166.

It is an arithmetic number, because the mean of its divisors is an integer number (27355515328).

Almost surely, 2^109186237441 is an apocalyptic number.

It is an amenable number.

109186237441 is a deficient number, since it is larger than the sum of its proper divisors (235823871).

109186237441 is an equidigital number, since it uses as much as digits as its factorization.

109186237441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235823870.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 109186237441 in words is "one hundred nine billion, one hundred eighty-six million, two hundred thirty-seven thousand, four hundred forty-one".