105257857533 has 8 divisors (see below), whose sum is σ = 142438494048. Its totient is φ = 69124563024.

The previous prime is 105257857531. The next prime is 105257857553. The reversal of 105257857533 is 335758752501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105257857533 - 2¹ = 105257857531 is a prime.

It is a super-2 number, since 2×105257857533² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105257857531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261835266 + ... + 261835667.

It is an arithmetic number, because the mean of its divisors is an integer number (17804811756).

Almost surely, 2^105257857533 is an apocalyptic number.

It is an amenable number.

105257857533 is a deficient number, since it is larger than the sum of its proper divisors (37180636515).

105257857533 is an equidigital number, since it uses as much as digits as its factorization.

105257857533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523671003.

The product of its (nonzero) digits is 4410000, while the sum is 51.

It can be divided in two parts, 1052578 and 57533, that added together give a palindrome (1110111).

The spelling of 105257857533 in words is "one hundred five billion, two hundred fifty-seven million, eight hundred fifty-seven thousand, five hundred thirty-three".