2156132464213 has 16 divisors (see below), whose sum is σ = 2653736956416. Its totient is φ = 1705928163840.

The previous prime is 2156132464163. The next prime is 2156132464217. The reversal of 2156132464213 is 3124642316512.

It is a cyclic number.

It is not a de Polignac number, because 2156132464213 - 2¹⁷ = 2156132333141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156132464217) 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, 10941828 + ... + 11137138.

It is an arithmetic number, because the mean of its divisors is an integer number (165858559776).

Almost surely, 2^{2156132464213} is an apocalyptic number.

It is an amenable number.

2156132464213 is a deficient number, since it is larger than the sum of its proper divisors (497604492203).

2156132464213 is a wasteful number, since it uses less digits than its factorization.

2156132464213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316644.

The product of its digits is 207360, while the sum is 40.

The spelling of 2156132464213 in words is "two trillion, one hundred fifty-six billion, one hundred thirty-two million, four hundred sixty-four thousand, two hundred thirteen".