12055115535 has 16 divisors (see below), whose sum is σ = 20303352960. Its totient is φ = 6091005600.

The previous prime is 12055115509. The next prime is 12055115561. The reversal of 12055115535 is 53551155021.

It is an interprime number because it is at equal distance from previous prime (12055115509) and next prime (12055115561).

It is not a de Polignac number, because 12055115535 - 2⁵ = 12055115503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12055115496 and 12055115505.

It is a congruent number.

It is an unprimeable number.

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, 21149041 + ... + 21149610.

It is an arithmetic number, because the mean of its divisors is an integer number (1268959560).

Almost surely, 2^12055115535 is an apocalyptic number.

12055115535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12055115535 is a deficient number, since it is larger than the sum of its proper divisors (8248237425).

12055115535 is a wasteful number, since it uses less digits than its factorization.

12055115535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42298678.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 12055115535 in words is "twelve billion, fifty-five million, one hundred fifteen thousand, five hundred thirty-five".