101243543412045 has 16 divisors (see below), whose sum is σ = 162619979463360. Its totient is φ = 53786453151744.

The previous prime is 101243543412043. The next prime is 101243543412197. The reversal of 101243543412045 is 540214345342101.

It is not a de Polignac number, because 101243543412045 - 2¹ = 101243543412043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101243543411994 and 101243543412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243543412043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13131454435 + ... + 13131462144.

It is an arithmetic number, because the mean of its divisors is an integer number (10163748716460).

Almost surely, 2^{101243543412045} is an apocalyptic number.

101243543412045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101243543412045 is a deficient number, since it is larger than the sum of its proper divisors (61376436051315).

101243543412045 is a wasteful number, since it uses less digits than its factorization.

101243543412045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26262916844.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 101243543412045 its reverse (540214345342101), we get a palindrome (641457888754146).

The spelling of 101243543412045 in words is "one hundred one trillion, two hundred forty-three billion, five hundred forty-three million, four hundred twelve thousand, forty-five".