105271032518 has 4 divisors (see below), whose sum is σ = 157906548780. Its totient is φ = 52635516258.

The previous prime is 105271032511. The next prime is 105271032523. The reversal of 105271032518 is 815230172501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105271032518² (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 (105271032511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26317758128 + ... + 26317758131.

It is an arithmetic number, because the mean of its divisors is an integer number (39476637195).

Almost surely, 2^105271032518 is an apocalyptic number.

105271032518 is a deficient number, since it is larger than the sum of its proper divisors (52635516262).

105271032518 is an equidigital number, since it uses as much as digits as its factorization.

105271032518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52635516261.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 105271032518 in words is "one hundred five billion, two hundred seventy-one million, thirty-two thousand, five hundred eighteen".