2143540253452 has 96 divisors (see below), whose sum is σ = 4243117132800. Its totient is φ = 940106103552.

The previous prime is 2143540253443. The next prime is 2143540253471. The reversal of 2143540253452 is 2543520453412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127895449 + ... + 127912207.

It is an arithmetic number, because the mean of its divisors is an integer number (44199136800).

Almost surely, 2^{2143540253452} is an apocalyptic number.

It is an amenable number.

2143540253452 is a deficient number, since it is larger than the sum of its proper divisors (2099576879348).

2143540253452 is a wasteful number, since it uses less digits than its factorization.

2143540253452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17495 (or 17493 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 2143540253452 in words is "two trillion, one hundred forty-three billion, five hundred forty million, two hundred fifty-three thousand, four hundred fifty-two".