105513475366087 has 4 divisors (see below), whose sum is σ = 106145292584016. Its totient is φ = 104881658148160.

The previous prime is 105513475366073. The next prime is 105513475366097. The reversal of 105513475366087 is 780663574315501.

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

It is a cyclic number.

It is not a de Polignac number, because 105513475366087 - 2¹⁹ = 105513474841799 is a prime.

It is a super-2 number, since 2×105513475366087² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105513475366007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315908608714 + ... + 315908609047.

It is an arithmetic number, because the mean of its divisors is an integer number (26536323146004).

Almost surely, 2^{105513475366087} is an apocalyptic number.

105513475366087 is a deficient number, since it is larger than the sum of its proper divisors (631817217929).

105513475366087 is an equidigital number, since it uses as much as digits as its factorization.

105513475366087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631817217928.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 105513475366087 in words is "one hundred five trillion, five hundred thirteen billion, four hundred seventy-five million, three hundred sixty-six thousand, eighty-seven".