54115851145 has 4 divisors (see below), whose sum is σ = 64939021380. Its totient is φ = 43292680912.

The previous prime is 54115851133. The next prime is 54115851149.

54115851145 is nontrivially palindromic in base 10.

54115851145 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 can be written as a sum of positive squares in 2 ways, for example, as 25335407241 + 28780443904 = 159171^2 + 169648^2 .

It is a cyclic number.

It is not a de Polignac number, because 54115851145 - 2⁷ = 54115851017 is a prime.

It is a super-2 number, since 2×54115851145² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54115851098 and 54115851107.

It is not an unprimeable number, because it can be changed into a prime (54115851149) 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, 5411585110 + ... + 5411585119.

It is an arithmetic number, because the mean of its divisors is an integer number (16234755345).

Almost surely, 2^54115851145 is an apocalyptic number.

It is an amenable number.

54115851145 is a deficient number, since it is larger than the sum of its proper divisors (10823170235).

54115851145 is a wasteful number, since it uses less digits than its factorization.

54115851145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823170234.

The product of its digits is 80000, while the sum is 40.

The spelling of 54115851145 in words is "fifty-four billion, one hundred fifteen million, eight hundred fifty-one thousand, one hundred forty-five".