2146156565053 has 4 divisors (see below), whose sum is σ = 2259112173760. Its totient is φ = 2033200956348.

The previous prime is 2146156565051. The next prime is 2146156565071. The reversal of 2146156565053 is 3505656516412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2146156565053 - 2¹ = 2146156565051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2146156564988 and 2146156565006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146156565051) 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 3 ways as a sum of consecutive naturals, for example, 56477804325 + ... + 56477804362.

It is an arithmetic number, because the mean of its divisors is an integer number (564778043440).

Almost surely, 2^{2146156565053} is an apocalyptic number.

It is an amenable number.

2146156565053 is a deficient number, since it is larger than the sum of its proper divisors (112955608707).

2146156565053 is a wasteful number, since it uses less digits than its factorization.

2146156565053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112955608706.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 2146156565053 in words is "two trillion, one hundred forty-six billion, one hundred fifty-six million, five hundred sixty-five thousand, fifty-three".