1523134818153 has 12 divisors (see below), whose sum is σ = 2369320828420. Its totient is φ = 937313734176.

The previous prime is 1523134818071. The next prime is 1523134818157. The reversal of 1523134818153 is 3518184313251.

1523134818153 is a `hidden beast` number, since 1 + 5 + 2 + 3 + 13 + 481 + 8 + 153 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 544958433369 + 978176384784 = 738213^2 + 989028^2 .

It is not a de Polignac number, because 1523134818153 - 2⁹ = 1523134817641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1523134818099 and 1523134818108.

It is not an unprimeable number, because it can be changed into a prime (1523134818157) 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, 6509123038 + ... + 6509123271.

Almost surely, 2^{1523134818153} is an apocalyptic number.

1523134818153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1523134818153 is a deficient number, since it is larger than the sum of its proper divisors (846186010267).

1523134818153 is a wasteful number, since it uses less digits than its factorization.

1523134818153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018246328 (or 13018246325 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 1523134818153 in words is "one trillion, five hundred twenty-three billion, one hundred thirty-four million, eight hundred eighteen thousand, one hundred fifty-three".