2156133250351 has 4 divisors (see below), whose sum is σ = 2167421906304. Its totient is φ = 2144844594400.

The previous prime is 2156133250319. The next prime is 2156133250393. The reversal of 2156133250351 is 1530523316512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2156133250351 - 2⁵ = 2156133250319 is a prime.

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 2156133250351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156133250451) 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, 5644327690 + ... + 5644328071.

It is an arithmetic number, because the mean of its divisors is an integer number (541855476576).

Almost surely, 2^{2156133250351} is an apocalyptic number.

2156133250351 is a deficient number, since it is larger than the sum of its proper divisors (11288655953).

2156133250351 is a wasteful number, since it uses less digits than its factorization.

2156133250351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288655952.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 2156133250351 its reverse (1530523316512), we get a palindrome (3686656566863).

The spelling of 2156133250351 in words is "two trillion, one hundred fifty-six billion, one hundred thirty-three million, two hundred fifty thousand, three hundred fifty-one".