105313540443551 has 4 divisors (see below), whose sum is σ = 114887498665704. Its totient is φ = 95739582221400.

The previous prime is 105313540443533. The next prime is 105313540443557. The reversal of 105313540443551 is 155344045313501.

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

It is a cyclic number.

It is not a de Polignac number, because 105313540443551 - 2²² = 105313536249247 is a prime.

It is a super-2 number, since 2×105313540443551² (a number of 29 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 (105313540443557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4786979111060 + ... + 4786979111081.

It is an arithmetic number, because the mean of its divisors is an integer number (28721874666426).

Almost surely, 2^{105313540443551} is an apocalyptic number.

105313540443551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105313540443551 is a deficient number, since it is larger than the sum of its proper divisors (9573958222153).

105313540443551 is an equidigital number, since it uses as much as digits as its factorization.

105313540443551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573958222152.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 105313540443551 in words is "one hundred five trillion, three hundred thirteen billion, five hundred forty million, four hundred forty-three thousand, five hundred fifty-one".