101819053216 has 24 divisors (see below), whose sum is σ = 201919454100. Its totient is φ = 50537922048.

The previous prime is 101819053159. The next prime is 101819053243. The reversal of 101819053216 is 612350918101.

It can be written as a sum of positive squares in 2 ways, for example, as 101111280400 + 707772816 = 317980^2 + 26604^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11608191 + ... + 11616958.

Almost surely, 2^101819053216 is an apocalyptic number.

101819053216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101819053216 is a deficient number, since it is larger than the sum of its proper divisors (100100400884).

101819053216 is a wasteful number, since it uses less digits than its factorization.

101819053216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23225296 (or 23225288 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 101819053216 in words is "one hundred one billion, eight hundred nineteen million, fifty-three thousand, two hundred sixteen".