242151114311555 has 32 divisors (see below), whose sum is σ = 291517484544000. Its totient is φ = 193097904959232.

The previous prime is 242151114311479. The next prime is 242151114311567. The reversal of 242151114311555 is 555113411151242.

It is a cyclic number.

It is not a de Polignac number, because 242151114311555 - 2³² = 242146819344259 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 16398117782 + ... + 16398132548.

It is an arithmetic number, because the mean of its divisors is an integer number (9109921392000).

Almost surely, 2^{242151114311555} is an apocalyptic number.

242151114311555 is a deficient number, since it is larger than the sum of its proper divisors (49366370232445).

242151114311555 is a wasteful number, since it uses less digits than its factorization.

242151114311555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23483.

The product of its digits is 120000, while the sum is 41.

Adding to 242151114311555 its reverse (555113411151242), we get a palindrome (797264525462797).

The spelling of 242151114311555 in words is "two hundred forty-two trillion, one hundred fifty-one billion, one hundred fourteen million, three hundred eleven thousand, five hundred fifty-five".