45551534111555 has 4 divisors (see below), whose sum is σ = 54661840933872. Its totient is φ = 36441227289240.

The previous prime is 45551534111521. The next prime is 45551534111557. The reversal of 45551534111555 is 55511143515554.

45551534111555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45551534111555 - 2²⁰ = 45551533062979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45551534111557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4555153411151 + ... + 4555153411160.

It is an arithmetic number, because the mean of its divisors is an integer number (13665460233468).

Almost surely, 2^{45551534111555} is an apocalyptic number.

45551534111555 is a deficient number, since it is larger than the sum of its proper divisors (9110306822317).

45551534111555 is an equidigital number, since it uses as much as digits as its factorization.

45551534111555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110306822316.

The product of its digits is 3750000, while the sum is 50.

The spelling of 45551534111555 in words is "forty-five trillion, five hundred fifty-one billion, five hundred thirty-four million, one hundred eleven thousand, five hundred fifty-five".