45551015105 has 4 divisors (see below), whose sum is σ = 54661218132. Its totient is φ = 36440812080.

The previous prime is 45551015087. The next prime is 45551015117. The reversal of 45551015105 is 50151015554.

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 30149460496 + 15401554609 = 173636^2 + 124103^2 .

It is not a de Polignac number, because 45551015105 - 2⁸ = 45551014849 is a prime.

It is a super-2 number, since 2×45551015105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4555101506 + ... + 4555101515.

It is an arithmetic number, because the mean of its divisors is an integer number (13665304533).

Almost surely, 2^45551015105 is an apocalyptic number.

It is an amenable number.

45551015105 is a deficient number, since it is larger than the sum of its proper divisors (9110203027).

45551015105 is an equidigital number, since it uses as much as digits as its factorization.

45551015105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110203026.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 45551015105 in words is "forty-five billion, five hundred fifty-one million, fifteen thousand, one hundred five".