242126156053 has 4 divisors (see below), whose sum is σ = 249936677248. Its totient is φ = 234315634860.

The previous prime is 242126156021. The next prime is 242126156087. The reversal of 242126156053 is 350651621242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242126156053 - 2⁵ = 242126156021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242126156093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3905260551 + ... + 3905260612.

It is an arithmetic number, because the mean of its divisors is an integer number (62484169312).

Almost surely, 2^242126156053 is an apocalyptic number.

It is an amenable number.

242126156053 is a deficient number, since it is larger than the sum of its proper divisors (7810521195).

242126156053 is an equidigital number, since it uses as much as digits as its factorization.

242126156053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810521194.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 242126156053 its reverse (350651621242), we get a palindrome (592777777295).

The spelling of 242126156053 in words is "two hundred forty-two billion, one hundred twenty-six million, one hundred fifty-six thousand, fifty-three".