242531190055 has 32 divisors (see below), whose sum is σ = 362917486080. Its totient is φ = 151160929920.

The previous prime is 242531190049. The next prime is 242531190067. The reversal of 242531190055 is 550091135242.

It is not a de Polignac number, because 242531190055 - 2²¹ = 242529092903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242531189996 and 242531190023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2189341 + ... + 2297449.

It is an arithmetic number, because the mean of its divisors is an integer number (11341171440).

Almost surely, 2^242531190055 is an apocalyptic number.

242531190055 is a deficient number, since it is larger than the sum of its proper divisors (120386296025).

242531190055 is a wasteful number, since it uses less digits than its factorization.

242531190055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113959.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 242531190055 in words is "two hundred forty-two billion, five hundred thirty-one million, one hundred ninety thousand, fifty-five".