105474187426 has 4 divisors (see below), whose sum is σ = 158211281142. Its totient is φ = 52737093712.

The previous prime is 105474187421. The next prime is 105474187471. The reversal of 105474187426 is 624781474501.

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

It can be written as a sum of positive squares in only one way, i.e., 91025907025 + 14448280401 = 301705^2 + 120201^2 .

It is a super-2 number, since 2×105474187426² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 105474187426.

It is not an unprimeable number, because it can be changed into a prime (105474187421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26368546855 + ... + 26368546858.

Almost surely, 2^105474187426 is an apocalyptic number.

105474187426 is a deficient number, since it is larger than the sum of its proper divisors (52737093716).

105474187426 is an equidigital number, since it uses as much as digits as its factorization.

105474187426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52737093715.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 105474187426 in words is "one hundred five billion, four hundred seventy-four million, one hundred eighty-seven thousand, four hundred twenty-six".