12535556055 has 32 divisors (see below), whose sum is σ = 21959313408. Its totient is φ = 6055881600.

The previous prime is 12535556053. The next prime is 12535556057. The reversal of 12535556055 is 55065553521.

It is an interprime number because it is at equal distance from previous prime (12535556053) and next prime (12535556057).

It is not a de Polignac number, because 12535556055 - 2¹ = 12535556053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12535555998 and 12535556016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535556051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91431 + ... + 182840.

It is an arithmetic number, because the mean of its divisors is an integer number (686228544).

Almost surely, 2^12535556055 is an apocalyptic number.

12535556055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12535556055 is a deficient number, since it is larger than the sum of its proper divisors (9423757353).

12535556055 is a wasteful number, since it uses less digits than its factorization.

12535556055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274567.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 12535556055 in words is "twelve billion, five hundred thirty-five million, five hundred fifty-six thousand, fifty-five".