1013538857085 has 24 divisors (see below), whose sum is σ = 1797656518944. Its totient is φ = 527983031520.

The previous prime is 1013538857047. The next prime is 1013538857099. The reversal of 1013538857085 is 5807588353101.

1013538857085 is a `hidden beast` number, since 1 + 0 + 1 + 35 + 38 + 8 + 570 + 8 + 5 = 666.

It is not a de Polignac number, because 1013538857085 - 2¹⁴ = 1013538840701 is a prime.

It is a super-2 number, since 2×1013538857085² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261894411 + ... + 261898280.

It is an arithmetic number, because the mean of its divisors is an integer number (74902354956).

Almost surely, 2^{1013538857085} is an apocalyptic number.

1013538857085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013538857085 is a deficient number, since it is larger than the sum of its proper divisors (784117661859).

1013538857085 is a wasteful number, since it uses less digits than its factorization.

1013538857085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523792745 (or 523792742 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 1013538857085 in words is "one trillion, thirteen billion, five hundred thirty-eight million, eight hundred fifty-seven thousand, eighty-five".