1824557316345 has 12 divisors (see below), whose sum is σ = 3162566015076. Its totient is φ = 973097235360.

The previous prime is 1824557316193. The next prime is 1824557316347. The reversal of 1824557316345 is 5436137554281.

It is a happy number.

1824557316345 is a `hidden beast` number, since 1 + 8 + 2 + 4 + 5 + 573 + 1 + 63 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 952679458809 + 871877857536 = 976053^2 + 933744^2 .

It is not a de Polignac number, because 1824557316345 - 2¹⁶ = 1824557250809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1824557316291 and 1824557316300.

It is not an unprimeable number, because it can be changed into a prime (1824557316347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20272859026 + ... + 20272859115.

It is an arithmetic number, because the mean of its divisors is an integer number (263547167923).

Almost surely, 2^{1824557316345} is an apocalyptic number.

1824557316345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1824557316345 is a deficient number, since it is larger than the sum of its proper divisors (1338008698731).

1824557316345 is a wasteful number, since it uses less digits than its factorization.

1824557316345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40545718152 (or 40545718149 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 1824557316345 in words is "one trillion, eight hundred twenty-four billion, five hundred fifty-seven million, three hundred sixteen thousand, three hundred forty-five".