105541524431 has 4 divisors (see below), whose sum is σ = 120618885072. Its totient is φ = 90464163792.

The previous prime is 105541524427. The next prime is 105541524437. The reversal of 105541524431 is 134425145501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105541524431 - 2² = 105541524427 is a prime.

It is a super-2 number, since 2×105541524431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105541524391 and 105541524400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105541524437) 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, 7538680310 + ... + 7538680323.

It is an arithmetic number, because the mean of its divisors is an integer number (30154721268).

Almost surely, 2^105541524431 is an apocalyptic number.

105541524431 is a deficient number, since it is larger than the sum of its proper divisors (15077360641).

105541524431 is an equidigital number, since it uses as much as digits as its factorization.

105541524431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077360640.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 105541524431 its reverse (134425145501), we get a palindrome (239966669932).

The spelling of 105541524431 in words is "one hundred five billion, five hundred forty-one million, five hundred twenty-four thousand, four hundred thirty-one".