105614121643 has 4 divisors (see below), whose sum is σ = 106034895288. Its totient is φ = 105193348000.

The previous prime is 105614121631. The next prime is 105614121707. The reversal of 105614121643 is 346121416501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105614121643 is a prime.

It is a super-2 number, since 2×105614121643² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105614121599 and 105614121608.

It is not an unprimeable number, because it can be changed into a prime (105614122643) 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, 210386446 + ... + 210386947.

It is an arithmetic number, because the mean of its divisors is an integer number (26508723822).

Almost surely, 2^105614121643 is an apocalyptic number.

105614121643 is a deficient number, since it is larger than the sum of its proper divisors (420773645).

105614121643 is an equidigital number, since it uses as much as digits as its factorization.

105614121643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420773644.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 105614121643 in words is "one hundred five billion, six hundred fourteen million, one hundred twenty-one thousand, six hundred forty-three".