105421774152 has 32 divisors (see below), whose sum is σ = 272056193280. Its totient is φ = 34007023680.

The previous prime is 105421774147. The next prime is 105421774163. The reversal of 105421774152 is 251477124501.

It is a super-2 number, since 2×105421774152² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105421774152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70847223 + ... + 70848710.

It is an arithmetic number, because the mean of its divisors is an integer number (8501756040).

Almost surely, 2^105421774152 is an apocalyptic number.

105421774152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105421774152 is an abundant number, since it is smaller than the sum of its proper divisors (166634419128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105421774152 is a wasteful number, since it uses less digits than its factorization.

105421774152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141695973 (or 141695969 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

Adding to 105421774152 its reverse (251477124501), we get a palindrome (356898898653).

The spelling of 105421774152 in words is "one hundred five billion, four hundred twenty-one million, seven hundred seventy-four thousand, one hundred fifty-two".