2156534632059 has 8 divisors (see below), whose sum is σ = 2875388757840. Its totient is φ = 1437685130496.

The previous prime is 2156534632051. The next prime is 2156534632159. The reversal of 2156534632059 is 9502364356512.

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

It is not a de Polignac number, because 2156534632059 - 2³ = 2156534632051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2156534632051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139539 + ... + 2081475.

It is an arithmetic number, because the mean of its divisors is an integer number (359423594730).

Almost surely, 2^{2156534632059} is an apocalyptic number.

2156534632059 is a deficient number, since it is larger than the sum of its proper divisors (718854125781).

2156534632059 is a wasteful number, since it uses less digits than its factorization.

2156534632059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312109.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 2156534632059 in words is "two trillion, one hundred fifty-six billion, five hundred thirty-four million, six hundred thirty-two thousand, fifty-nine".