242553345655 has 16 divisors (see below), whose sum is σ = 300002280768. Its totient is φ = 188173440000.

The previous prime is 242553345611. The next prime is 242553345731. The reversal of 242553345655 is 556543355242.

It is a happy number.

It is not a de Polignac number, because 242553345655 - 2¹⁵ = 242553312887 is a prime.

It is a super-3 number, since 3×242553345655³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242553345599 and 242553345608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5578746 + ... + 5622055.

It is an arithmetic number, because the mean of its divisors is an integer number (18750142548).

Almost surely, 2^242553345655 is an apocalyptic number.

242553345655 is a deficient number, since it is larger than the sum of its proper divisors (57448935113).

242553345655 is a wasteful number, since it uses less digits than its factorization.

242553345655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200938.

The product of its digits is 10800000, while the sum is 49.

The spelling of 242553345655 in words is "two hundred forty-two billion, five hundred fifty-three million, three hundred forty-five thousand, six hundred fifty-five".