11655242255 has 8 divisors (see below), whose sum is σ = 13993793232. Its totient is φ = 9319192128.

The previous prime is 11655242237. The next prime is 11655242309. The reversal of 11655242255 is 55224255611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11655242255 - 2⁶ = 11655242191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614942 + ... + 633611.

It is an arithmetic number, because the mean of its divisors is an integer number (1749224154).

Almost surely, 2^11655242255 is an apocalyptic number.

11655242255 is a deficient number, since it is larger than the sum of its proper divisors (2338550977).

11655242255 is a wasteful number, since it uses less digits than its factorization.

11655242255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250425.

The product of its digits is 120000, while the sum is 38.

Adding to 11655242255 its reverse (55224255611), we get a palindrome (66879497866).

The spelling of 11655242255 in words is "eleven billion, six hundred fifty-five million, two hundred forty-two thousand, two hundred fifty-five".