242015129575 has 12 divisors (see below), whose sum is σ = 300106191528. Its totient is φ = 193607309600.

The previous prime is 242015129549. The next prime is 242015129611. The reversal of 242015129575 is 575921510242.

It is not a de Polignac number, because 242015129575 - 2²¹ = 242013032423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1191180 + ... + 1379470.

It is an arithmetic number, because the mean of its divisors is an integer number (25008849294).

Almost surely, 2^242015129575 is an apocalyptic number.

242015129575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242015129575 is a deficient number, since it is larger than the sum of its proper divisors (58091061953).

242015129575 is a wasteful number, since it uses less digits than its factorization.

242015129575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239714 (or 239709 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 242015129575 in words is "two hundred forty-two billion, fifteen million, one hundred twenty-nine thousand, five hundred seventy-five".