11555342755 has 32 divisors (see below), whose sum is σ = 15943988160. Its totient is φ = 7960942080.

The previous prime is 11555342741. The next prime is 11555342759. The reversal of 11555342755 is 55724355511.

It is not a de Polignac number, because 11555342755 - 2⁹ = 11555342243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11555342759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16189 + ... + 152881.

It is an arithmetic number, because the mean of its divisors is an integer number (498249630).

Almost surely, 2^11555342755 is an apocalyptic number.

11555342755 is a deficient number, since it is larger than the sum of its proper divisors (4388645405).

11555342755 is a wasteful number, since it uses less digits than its factorization.

11555342755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136791.

The product of its digits is 525000, while the sum is 43.

The spelling of 11555342755 in words is "eleven billion, five hundred fifty-five million, three hundred forty-two thousand, seven hundred fifty-five".