105542454445051 has 4 divisors (see below), whose sum is σ = 113661104786992. Its totient is φ = 97423804103112.

The previous prime is 105542454445009. The next prime is 105542454445061. The reversal of 105542454445051 is 150544454245501.

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 105542454445051 - 2¹⁷ = 105542454313979 is a prime.

It is a super-2 number, since 2×105542454445051² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105542454444986 and 105542454445004.

It is not an unprimeable number, because it can be changed into a prime (105542454445061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059325170951 + ... + 4059325170976.

It is an arithmetic number, because the mean of its divisors is an integer number (28415276196748).

Almost surely, 2^{105542454445051} is an apocalyptic number.

105542454445051 is a deficient number, since it is larger than the sum of its proper divisors (8118650341941).

105542454445051 is an equidigital number, since it uses as much as digits as its factorization.

105542454445051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118650341940.

The product of its (nonzero) digits is 6400000, while the sum is 49.

The spelling of 105542454445051 in words is "one hundred five trillion, five hundred forty-two billion, four hundred fifty-four million, four hundred forty-five thousand, fifty-one".