75535810855513 has 4 divisors (see below), whose sum is σ = 75643565222628. Its totient is φ = 75428056488400.

The previous prime is 75535810855499. The next prime is 75535810855633. The reversal of 75535810855513 is 31555801853557.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63762732314649 + 11773078540864 = 7985157^2 + 3431192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75535810855513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75535810853513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53877182506 + ... + 53877183907.

It is an arithmetic number, because the mean of its divisors is an integer number (18910891305657).

Almost surely, 2^{75535810855513} is an apocalyptic number.

It is an amenable number.

75535810855513 is a deficient number, since it is larger than the sum of its proper divisors (107754367115).

75535810855513 is a wasteful number, since it uses less digits than its factorization.

75535810855513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107754367114.

The product of its (nonzero) digits is 63000000, while the sum is 61.

The spelling of 75535810855513 in words is "seventy-five trillion, five hundred thirty-five billion, eight hundred ten million, eight hundred fifty-five thousand, five hundred thirteen".