105152021555044 has 24 divisors (see below), whose sum is σ = 189952643462400. Its totient is φ = 50879848503840.

The previous prime is 105152021555039. The next prime is 105152021555071. The reversal of 105152021555044 is 440555120251501.

It is a super-2 number, since 2×105152021555044² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105152021554988 and 105152021555006.

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, 43851462 + ... + 46187170.

It is an arithmetic number, because the mean of its divisors is an integer number (7914693477600).

Almost surely, 2^{105152021555044} is an apocalyptic number.

It is an amenable number.

105152021555044 is a deficient number, since it is larger than the sum of its proper divisors (84800621907356).

105152021555044 is a wasteful number, since it uses less digits than its factorization.

105152021555044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698803 (or 2698801 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 105152021555044 in words is "one hundred five trillion, one hundred fifty-two billion, twenty-one million, five hundred fifty-five thousand, forty-four".