105505154103 has 4 divisors (see below), whose sum is σ = 140673538808. Its totient is φ = 70336769400.

The previous prime is 105505154101. The next prime is 105505154119. The reversal of 105505154103 is 301451505501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301451505501 = 3 ⋅100483835167.

It is not a de Polignac number, because 105505154103 - 2¹ = 105505154101 is a prime.

It is a super-2 number, since 2×105505154103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105505154101) 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, 17584192348 + ... + 17584192353.

It is an arithmetic number, because the mean of its divisors is an integer number (35168384702).

Almost surely, 2^105505154103 is an apocalyptic number.

105505154103 is a deficient number, since it is larger than the sum of its proper divisors (35168384705).

105505154103 is an equidigital number, since it uses as much as digits as its factorization.

105505154103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35168384704.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 105505154103 its reverse (301451505501), we get a palindrome (406956659604).

The spelling of 105505154103 in words is "one hundred five billion, five hundred five million, one hundred fifty-four thousand, one hundred three".