2156320534135 has 8 divisors (see below), whose sum is σ = 2657519361216. Its totient is φ = 1678433280480.

The previous prime is 2156320534079. The next prime is 2156320534157. The reversal of 2156320534135 is 5314350236512.

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

It is not a de Polignac number, because 2156320534135 - 2³³ = 2147730599543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5827893151 + ... + 5827893520.

It is an arithmetic number, because the mean of its divisors is an integer number (332189920152).

Almost surely, 2^{2156320534135} is an apocalyptic number.

2156320534135 is a deficient number, since it is larger than the sum of its proper divisors (501198827081).

2156320534135 is a wasteful number, since it uses less digits than its factorization.

2156320534135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655786713.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 2156320534135 in words is "two trillion, one hundred fifty-six billion, three hundred twenty million, five hundred thirty-four thousand, one hundred thirty-five".