2143615465525 has 24 divisors (see below), whose sum is σ = 2676967512320. Its totient is φ = 1702749764160.

The previous prime is 2143615465483. The next prime is 2143615465531. The reversal of 2143615465525 is 5255645163412.

It is not a de Polignac number, because 2143615465525 - 2²⁷ = 2143481247797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1590952 + ... + 2611198.

Almost surely, 2^{2143615465525} is an apocalyptic number.

2143615465525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143615465525 is a deficient number, since it is larger than the sum of its proper divisors (533352046795).

2143615465525 is a wasteful number, since it uses less digits than its factorization.

2143615465525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020853 (or 1020848 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 49.

The spelling of 2143615465525 in words is "two trillion, one hundred forty-three billion, six hundred fifteen million, four hundred sixty-five thousand, five hundred twenty-five".