54118566581145 has 128 divisors (see below), whose sum is σ = 97675558649856. Its totient is φ = 25349448960000.

The previous prime is 54118566581141. The next prime is 54118566581267.

54118566581145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54118566581145 - 2² = 54118566581141 is a prime.

It is a super-2 number, since 2×54118566581145² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54118566581141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9696927255 + ... + 9696932835.

It is an arithmetic number, because the mean of its divisors is an integer number (763090301952).

Almost surely, 2^{54118566581145} is an apocalyptic number.

54118566581145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54118566581145 is a deficient number, since it is larger than the sum of its proper divisors (43556992068711).

54118566581145 is a wasteful number, since it uses less digits than its factorization.

54118566581145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535.

The product of its digits is 23040000, while the sum is 60.

The spelling of 54118566581145 in words is "fifty-four trillion, one hundred eighteen billion, five hundred sixty-six million, five hundred eighty-one thousand, one hundred forty-five".