13124065541 has 4 divisors (see below), whose sum is σ = 13125299052. Its totient is φ = 13122832032.

The previous prime is 13124065523. The next prime is 13124065583. The reversal of 13124065541 is 14556042131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14556042131 = 23 ⋅632871397.

It can be written as a sum of positive squares in 2 ways, for example, as 1741309441 + 11382756100 = 41729^2 + 106690^2 .

It is a cyclic number.

It is not a de Polignac number, because 13124065541 - 2¹⁰ = 13124064517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13124065498 and 13124065507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124068541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600656 + ... + 622121.

It is an arithmetic number, because the mean of its divisors is an integer number (3281324763).

Almost surely, 2^13124065541 is an apocalyptic number.

It is an amenable number.

13124065541 is a deficient number, since it is larger than the sum of its proper divisors (1233511).

13124065541 is a wasteful number, since it uses less digits than its factorization.

13124065541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233510.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 13124065541 in words is "thirteen billion, one hundred twenty-four million, sixty-five thousand, five hundred forty-one".