2153053505543 has 8 divisors (see below), whose sum is σ = 2170164234240. Its totient is φ = 2135945238840.

The previous prime is 2153053505539. The next prime is 2153053505549. The reversal of 2153053505543 is 3455053503512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2153053505543 - 2² = 2153053505539 is a prime.

It is a super-2 number, since 2×2153053505543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153053505543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153053505549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160768 + ... + 2377706.

It is an arithmetic number, because the mean of its divisors is an integer number (271270529280).

Almost surely, 2^{2153053505543} is an apocalyptic number.

2153053505543 is a deficient number, since it is larger than the sum of its proper divisors (17110728697).

2153053505543 is a wasteful number, since it uses less digits than its factorization.

2153053505543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230997.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 2153053505543 in words is "two trillion, one hundred fifty-three billion, fifty-three million, five hundred five thousand, five hundred forty-three".