105405441254 has 4 divisors (see below), whose sum is σ = 158108161884. Its totient is φ = 52702720626.

The previous prime is 105405441161. The next prime is 105405441263. The reversal of 105405441254 is 452144504501.

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

It is a super-2 number, since 2×105405441254² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26351360312 + ... + 26351360315.

It is an arithmetic number, because the mean of its divisors is an integer number (39527040471).

Almost surely, 2^105405441254 is an apocalyptic number.

105405441254 is a deficient number, since it is larger than the sum of its proper divisors (52702720630).

105405441254 is an equidigital number, since it uses as much as digits as its factorization.

105405441254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52702720629.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 105405441254 its reverse (452144504501), we get a palindrome (557549945755).

The spelling of 105405441254 in words is "one hundred five billion, four hundred five million, four hundred forty-one thousand, two hundred fifty-four".