105548099129 has 4 divisors (see below), whose sum is σ = 115143380880. Its totient is φ = 95952817380.

The previous prime is 105548099119. The next prime is 105548099149. The reversal of 105548099129 is 921990845501.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 105548099129 - 2²⁴ = 105531321913 is a prime.

It is a super-2 number, since 2×105548099129² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105548099119) 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, 4797640859 + ... + 4797640880.

It is an arithmetic number, because the mean of its divisors is an integer number (28785845220).

Almost surely, 2^105548099129 is an apocalyptic number.

It is an amenable number.

105548099129 is a deficient number, since it is larger than the sum of its proper divisors (9595281751).

105548099129 is an equidigital number, since it uses as much as digits as its factorization.

105548099129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595281750.

The product of its (nonzero) digits is 1166400, while the sum is 53.

It can be divided in two parts, 1055 and 48099129, that added together give a palindrome (48100184).

The spelling of 105548099129 in words is "one hundred five billion, five hundred forty-eight million, ninety-nine thousand, one hundred twenty-nine".