105523215030 has 24 divisors (see below), whose sum is σ = 274360359312. Its totient is φ = 28139523984.

The previous prime is 105523215029. The next prime is 105523215043. The reversal of 105523215030 is 30512325501.

It is a happy number.

105523215030 is a `hidden beast` number, since 1 + 0 + 552 + 32 + 1 + 50 + 30 = 666.

It is a super-2 number, since 2×105523215030² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105523214985 and 105523215003.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 586239994 + ... + 586240173.

It is an arithmetic number, because the mean of its divisors is an integer number (11431681638).

Almost surely, 2^105523215030 is an apocalyptic number.

105523215030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105523215030 is an abundant number, since it is smaller than the sum of its proper divisors (168837144282).

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

105523215030 is a wasteful number, since it uses less digits than its factorization.

105523215030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172480180 (or 1172480177 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 105523215030 in words is "one hundred five billion, five hundred twenty-three million, two hundred fifteen thousand, thirty".