11368121255 has 16 divisors (see below), whose sum is σ = 14548131360. Its totient is φ = 8497938432.

The previous prime is 11368121213. The next prime is 11368121257. The reversal of 11368121255 is 55212186311.

It is a cyclic number.

It is not a de Polignac number, because 11368121255 - 2²⁰ = 11367072679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11368121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469274 + ... + 492903.

It is an arithmetic number, because the mean of its divisors is an integer number (909258210).

Almost surely, 2^11368121255 is an apocalyptic number.

11368121255 is a deficient number, since it is larger than the sum of its proper divisors (3180010105).

11368121255 is a wasteful number, since it uses less digits than its factorization.

11368121255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962338.

The product of its digits is 14400, while the sum is 35.

The spelling of 11368121255 in words is "eleven billion, three hundred sixty-eight million, one hundred twenty-one thousand, two hundred fifty-five".