2134565123215 has 48 divisors (see below), whose sum is σ = 3035252736000. Its totient is φ = 1436485307712.

The previous prime is 2134565123209. The next prime is 2134565123239. The reversal of 2134565123215 is 5123215654312.

It is not a de Polignac number, because 2134565123215 - 2⁵ = 2134565123183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8535282 + ... + 8781808.

It is an arithmetic number, because the mean of its divisors is an integer number (63234432000).

Almost surely, 2^{2134565123215} is an apocalyptic number.

2134565123215 is a deficient number, since it is larger than the sum of its proper divisors (900687612785).

2134565123215 is a wasteful number, since it uses less digits than its factorization.

2134565123215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247204 (or 247197 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The spelling of 2134565123215 in words is "two trillion, one hundred thirty-four billion, five hundred sixty-five million, one hundred twenty-three thousand, two hundred fifteen".