65135543380038 has 16 divisors (see below), whose sum is σ = 144745651955760. Its totient is φ = 21711847793328.

The previous prime is 65135543380013. The next prime is 65135543380067. The reversal of 65135543380038 is 83008334553156.

65135543380038 is a `hidden beast` number, since 6 + 5 + 1 + 3 + 554 + 3 + 3 + 80 + 0 + 3 + 8 = 666.

It is a super-2 number, since 2×65135543380038² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1206213766297 = 65135543380038 / (6 + 5 + 1 + 3 + 5 + 5 + 4 + 3 + 3 + 8 + 0 + 0 + 3 + 8).

It is a congruent number.

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, 603106883095 + ... + 603106883202.

It is an arithmetic number, because the mean of its divisors is an integer number (9046603247235).

Almost surely, 2^{65135543380038} is an apocalyptic number.

65135543380038 is an abundant number, since it is smaller than the sum of its proper divisors (79610108575722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65135543380038 is a wasteful number, since it uses less digits than its factorization.

65135543380038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206213766308 (or 1206213766302 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 65135543380038 in words is "sixty-five trillion, one hundred thirty-five billion, five hundred forty-three million, three hundred eighty thousand, thirty-eight".