13144554535541 has 8 divisors (see below), whose sum is σ = 15442553580384. Its totient is φ = 11030395414320.

The previous prime is 13144554535531. The next prime is 13144554535601. The reversal of 13144554535541 is 14553545544131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144554535541 is a prime.

It is a super-2 number, since 2×13144554535541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13144554535541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144554535531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45959980751 + ... + 45959981036.

It is an arithmetic number, because the mean of its divisors is an integer number (1930319197548).

Almost surely, 2^{13144554535541} is an apocalyptic number.

13144554535541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13144554535541 is a deficient number, since it is larger than the sum of its proper divisors (2297999044843).

13144554535541 is a wasteful number, since it uses less digits than its factorization.

13144554535541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91919961811.

The product of its digits is 7200000, while the sum is 50.

The spelling of 13144554535541 in words is "thirteen trillion, one hundred forty-four billion, five hundred fifty-four million, five hundred thirty-five thousand, five hundred forty-one".