105405130552511 has 4 divisors (see below), whose sum is σ = 105406192850112. Its totient is φ = 105404068254912.

The previous prime is 105405130552457. The next prime is 105405130552567. The reversal of 105405130552511 is 115255031504501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105405130552511 is a prime.

It is a super-2 number, since 2×105405130552511² (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 (105405130542511) 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, 530999951 + ... + 531198416.

It is an arithmetic number, because the mean of its divisors is an integer number (26351548212528).

Almost surely, 2^{105405130552511} is an apocalyptic number.

105405130552511 is a deficient number, since it is larger than the sum of its proper divisors (1062297601).

105405130552511 is an equidigital number, since it uses as much as digits as its factorization.

105405130552511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062297600.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 105405130552511 in words is "one hundred five trillion, four hundred five billion, one hundred thirty million, five hundred fifty-two thousand, five hundred eleven".