105421053325 has 24 divisors (see below), whose sum is σ = 149734041408. Its totient is φ = 72125489280.

The previous prime is 105421053317. The next prime is 105421053347. The reversal of 105421053325 is 523350124501.

It is not a de Polignac number, because 105421053325 - 2³ = 105421053317 is a prime.

It is a super-2 number, since 2×105421053325² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 602392 + ... + 757441.

It is an arithmetic number, because the mean of its divisors is an integer number (6238918392).

Almost surely, 2^105421053325 is an apocalyptic number.

It is an amenable number.

105421053325 is a deficient number, since it is larger than the sum of its proper divisors (44312988083).

105421053325 is a wasteful number, since it uses less digits than its factorization.

105421053325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360293 (or 1360288 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 105421053325 its reverse (523350124501), we get a palindrome (628771177826).

The spelling of 105421053325 in words is "one hundred five billion, four hundred twenty-one million, fifty-three thousand, three hundred twenty-five".