105133559449 has 4 divisors (see below), whose sum is σ = 105142118500. Its totient is φ = 105125000400.

The previous prime is 105133559423. The next prime is 105133559467. The reversal of 105133559449 is 944955331501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74143477849 + 30990081600 = 272293^2 + 176040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105133559449 is a prime.

It is a super-2 number, since 2×105133559449² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105133551449) 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, 4261074 + ... + 4285675.

It is an arithmetic number, because the mean of its divisors is an integer number (26285529625).

Almost surely, 2^105133559449 is an apocalyptic number.

It is an amenable number.

105133559449 is a deficient number, since it is larger than the sum of its proper divisors (8559051).

105133559449 is an equidigital number, since it uses as much as digits as its factorization.

105133559449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559050.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 105133559449 in words is "one hundred five billion, one hundred thirty-three million, five hundred fifty-nine thousand, four hundred forty-nine".