11111110555560 has 32 divisors (see below), whose sum is σ = 33333331667040. Its totient is φ = 2962962814784.

The previous prime is 11111110555553. The next prime is 11111110555561. The reversal of 11111110555560 is 6555501111111.

It is not an unprimeable number, because it can be changed into a prime (11111110555561) 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 7 ways as a sum of consecutive naturals, for example, 46296293862 + ... + 46296294101.

It is an arithmetic number, because the mean of its divisors is an integer number (1041666614595).

Almost surely, 2^{11111110555560} is an apocalyptic number.

11111110555560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111110555560 is an abundant number, since it is smaller than the sum of its proper divisors (22222221111480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111110555560 is a wasteful number, since it uses less digits than its factorization.

11111110555560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92592587977 (or 92592587973 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 33.

Adding to 11111110555560 its reverse (6555501111111), we get a palindrome (17666611666671).

The spelling of 11111110555560 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, five hundred fifty-five thousand, five hundred sixty".