105311233244501 has 4 divisors (see below), whose sum is σ = 105459768129900. Its totient is φ = 105162698359104.

The previous prime is 105311233244461. The next prime is 105311233244509. The reversal of 105311233244501 is 105442332113501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61519331417476 + 43791901827025 = 7843426^2 + 6617545^2 .

It is a cyclic number.

It is not a de Polignac number, because 105311233244501 - 2³⁰ = 105310159502677 is a prime.

It is a super-2 number, since 2×105311233244501² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105311233244509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74267441636 + ... + 74267443053.

It is an arithmetic number, because the mean of its divisors is an integer number (26364942032475).

Almost surely, 2^{105311233244501} is an apocalyptic number.

It is an amenable number.

105311233244501 is a deficient number, since it is larger than the sum of its proper divisors (148534885399).

105311233244501 is an equidigital number, since it uses as much as digits as its factorization.

105311233244501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148534885398.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 105311233244501 in words is "one hundred five trillion, three hundred eleven billion, two hundred thirty-three million, two hundred forty-four thousand, five hundred one".