105352255021 has 16 divisors (see below), whose sum is σ = 118466401536. Its totient is φ = 92959358976.

The previous prime is 105352254989. The next prime is 105352255069. The reversal of 105352255021 is 120552253501.

It is a cyclic number.

It is not a de Polignac number, because 105352255021 - 2⁵ = 105352254989 is a prime.

It is a super-2 number, since 2×105352255021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105352255321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347181 + ... + 575533.

It is an arithmetic number, because the mean of its divisors is an integer number (7404150096).

Almost surely, 2^105352255021 is an apocalyptic number.

It is an amenable number.

105352255021 is a deficient number, since it is larger than the sum of its proper divisors (13114146515).

105352255021 is a wasteful number, since it uses less digits than its factorization.

105352255021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229932.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 105352255021 in words is "one hundred five billion, three hundred fifty-two million, two hundred fifty-five thousand, twenty-one".