142053121563 has 16 divisors (see below), whose sum is σ = 191465786016. Its totient is φ = 93676190720.

The previous prime is 142053121559. The next prime is 142053121579. The reversal of 142053121563 is 365121350241.

It is a cyclic number.

It is not a de Polignac number, because 142053121563 - 2² = 142053121559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142053121543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499506 + ... + 730487.

It is an arithmetic number, because the mean of its divisors is an integer number (11966611626).

Almost surely, 2^142053121563 is an apocalyptic number.

142053121563 is a deficient number, since it is larger than the sum of its proper divisors (49412664453).

142053121563 is a wasteful number, since it uses less digits than its factorization.

142053121563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230414.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 142053121563 in words is "one hundred forty-two billion, fifty-three million, one hundred twenty-one thousand, five hundred sixty-three".