105110051055551 has 4 divisors (see below), whose sum is σ = 105111021323952. Its totient is φ = 105109080787152.

The previous prime is 105110051055511. The next prime is 105110051055623. The reversal of 105110051055551 is 155550150011501.

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 105110051055551 - 2²⁶ = 105109983946687 is a prime.

It is a super-2 number, since 2×105110051055551² (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 (105110051055511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484971686 + ... + 485188371.

It is an arithmetic number, because the mean of its divisors is an integer number (26277755330988).

Almost surely, 2^{105110051055551} is an apocalyptic number.

105110051055551 is a deficient number, since it is larger than the sum of its proper divisors (970268401).

105110051055551 is an equidigital number, since it uses as much as digits as its factorization.

105110051055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970268400.

The product of its (nonzero) digits is 15625, while the sum is 35.

The spelling of 105110051055551 in words is "one hundred five trillion, one hundred ten billion, fifty-one million, fifty-five thousand, five hundred fifty-one".