8513552274535 has 16 divisors (see below), whose sum is σ = 12737158728192. Its totient is φ = 5307149469600.

The previous prime is 8513552274433. The next prime is 8513552274611. The reversal of 8513552274535 is 5354722553158.

It is not a de Polignac number, because 8513552274535 - 2¹¹ = 8513552272487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11056561011 + ... + 11056561780.

It is an arithmetic number, because the mean of its divisors is an integer number (796072420512).

Almost surely, 2^{8513552274535} is an apocalyptic number.

8513552274535 is a deficient number, since it is larger than the sum of its proper divisors (4223606453657).

8513552274535 is a wasteful number, since it uses less digits than its factorization.

8513552274535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113122814.

The product of its digits is 25200000, while the sum is 55.

The spelling of 8513552274535 in words is "eight trillion, five hundred thirteen billion, five hundred fifty-two million, two hundred seventy-four thousand, five hundred thirty-five".