13541601385 has 8 divisors (see below), whose sum is σ = 17499915720. Its totient is φ = 9999951744.

The previous prime is 13541601377. The next prime is 13541601391. The reversal of 13541601385 is 58310614531.

It can be written as a sum of positive squares in 4 ways, for example, as 259499881 + 13282101504 = 16109^2 + 115248^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13541601385 - 2³ = 13541601377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104166100 + ... + 104166229.

It is an arithmetic number, because the mean of its divisors is an integer number (2187489465).

Almost surely, 2^13541601385 is an apocalyptic number.

It is an amenable number.

13541601385 is a deficient number, since it is larger than the sum of its proper divisors (3958314335).

13541601385 is a wasteful number, since it uses less digits than its factorization.

13541601385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208332347.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 13541601385 in words is "thirteen billion, five hundred forty-one million, six hundred one thousand, three hundred eighty-five".