2153531424345 has 24 divisors (see below), whose sum is σ = 4008205427904. Its totient is φ = 984471507936.

The previous prime is 2153531424271. The next prime is 2153531424353. The reversal of 2153531424345 is 5434241353512.

It is not a de Polignac number, because 2153531424345 - 2²⁴ = 2153514647129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2153531424297 and 2153531424306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1464986629 + ... + 1464988098.

It is an arithmetic number, because the mean of its divisors is an integer number (167008559496).

Almost surely, 2^{2153531424345} is an apocalyptic number.

It is an amenable number.

2153531424345 is a deficient number, since it is larger than the sum of its proper divisors (1854674003559).

2153531424345 is a wasteful number, since it uses less digits than its factorization.

2153531424345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929974749 (or 2929974742 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

Adding to 2153531424345 its reverse (5434241353512), we get a palindrome (7587772777857).

The spelling of 2153531424345 in words is "two trillion, one hundred fifty-three billion, five hundred thirty-one million, four hundred twenty-four thousand, three hundred forty-five".