2153512520443 has 16 divisors (see below), whose sum is σ = 2187050054400. Its totient is φ = 2120227164000.

The previous prime is 2153512520437. The next prime is 2153512520459. The reversal of 2153512520443 is 3440252153512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2153512520443 - 2²⁵ = 2153478966011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153512520413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35082288 + ... + 35143618.

It is an arithmetic number, because the mean of its divisors is an integer number (136690628400).

Almost surely, 2^{2153512520443} is an apocalyptic number.

2153512520443 is a deficient number, since it is larger than the sum of its proper divisors (33537533957).

2153512520443 is a wasteful number, since it uses less digits than its factorization.

2153512520443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63378.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 2153512520443 its reverse (3440252153512), we get a palindrome (5593764673955).

The spelling of 2153512520443 in words is "two trillion, one hundred fifty-three billion, five hundred twelve million, five hundred twenty thousand, four hundred forty-three".