1055518174249 has 16 divisors (see below), whose sum is σ = 1316247690240. Its totient is φ = 822308582160.

The previous prime is 1055518174241. The next prime is 1055518174301. The reversal of 1055518174249 is 9424718155501.

It is a cyclic number.

It is not a de Polignac number, because 1055518174249 - 2³ = 1055518174241 is a prime.

It is a super-2 number, since 2×1055518174249² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055518174196 and 1055518174205.

It is not an unprimeable number, because it can be changed into a prime (1055518174241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073779 + ... + 1806664.

It is an arithmetic number, because the mean of its divisors is an integer number (82265480640).

Almost surely, 2^{1055518174249} is an apocalyptic number.

It is an amenable number.

1055518174249 is a deficient number, since it is larger than the sum of its proper divisors (260729515991).

1055518174249 is a wasteful number, since it uses less digits than its factorization.

1055518174249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885220.

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 1055518174249 in words is "one trillion, fifty-five billion, five hundred eighteen million, one hundred seventy-four thousand, two hundred forty-nine".