2156043052053 has 24 divisors (see below), whose sum is σ = 3397568148000. Its totient is φ = 1306628537760.

The previous prime is 2156043052027. The next prime is 2156043052057. The reversal of 2156043052053 is 3502503406512.

2156043052053 is a `hidden beast` number, since 2 + 1 + 56 + 0 + 4 + 30 + 520 + 53 = 666.

It is not a de Polignac number, because 2156043052053 - 2⁶ = 2156043051989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2156043051999 and 2156043052017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156043052057) 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 23 ways as a sum of consecutive naturals, for example, 1529350 + ... + 2578952.

It is an arithmetic number, because the mean of its divisors is an integer number (141565339500).

Almost surely, 2^{2156043052053} is an apocalyptic number.

It is an amenable number.

2156043052053 is a deficient number, since it is larger than the sum of its proper divisors (1241525095947).

2156043052053 is a wasteful number, since it uses less digits than its factorization.

2156043052053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070369 (or 1070366 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 2156043052053 its reverse (3502503406512), we get a palindrome (5658546458565).

The spelling of 2156043052053 in words is "two trillion, one hundred fifty-six billion, forty-three million, fifty-two thousand, fifty-three".