202142581187 has 2 divisors, whose sum is σ = 202142581188. Its totient is φ = 202142581186.

The previous prime is 202142581133. The next prime is 202142581327. The reversal of 202142581187 is 781185241202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202142581187 - 2¹⁰ = 202142580163 is a prime.

It is not a weakly prime, because it can be changed into another prime (202142581117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071290593 + 101071290594.

It is an arithmetic number, because the mean of its divisors is an integer number (101071290594).

Almost surely, 2^202142581187 is an apocalyptic number.

202142581187 is a deficient number, since it is larger than the sum of its proper divisors (1).

202142581187 is an equidigital number, since it uses as much as digits as its factorization.

202142581187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 202142581187 in words is "two hundred two billion, one hundred forty-two million, five hundred eighty-one thousand, one hundred eighty-seven".