55555145113 has 4 divisors (see below), whose sum is σ = 59828617828. Its totient is φ = 51281672400.

The previous prime is 55555145083. The next prime is 55555145119. The reversal of 55555145113 is 31154155555.

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 23829479424 + 31725665689 = 154368^2 + 178117^2 .

It is a cyclic number.

It is not a de Polignac number, because 55555145113 - 2²⁵ = 55521590681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55555145119) 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, 2136736338 + ... + 2136736363.

It is an arithmetic number, because the mean of its divisors is an integer number (14957154457).

Almost surely, 2^55555145113 is an apocalyptic number.

It is an amenable number.

55555145113 is a deficient number, since it is larger than the sum of its proper divisors (4273472715).

55555145113 is a wasteful number, since it uses less digits than its factorization.

55555145113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273472714.

The product of its digits is 187500, while the sum is 40.

The spelling of 55555145113 in words is "fifty-five billion, five hundred fifty-five million, one hundred forty-five thousand, one hundred thirteen".