12755435026557 has 16 divisors (see below), whose sum is σ = 17213774699520. Its totient is φ = 8400378655152.

The previous prime is 12755435026519. The next prime is 12755435026559. The reversal of 12755435026557 is 75562053455721.

It is a happy number.

It is not a de Polignac number, because 12755435026557 - 2²² = 12755430832253 is a prime.

It is a super-2 number, since 2×12755435026557² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12755435026497 and 12755435026506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755435026559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241618 + ... + 5056604.

It is an arithmetic number, because the mean of its divisors is an integer number (1075860918720).

Almost surely, 2^{12755435026557} is an apocalyptic number.

It is an amenable number.

12755435026557 is a deficient number, since it is larger than the sum of its proper divisors (4458339672963).

12755435026557 is a wasteful number, since it uses less digits than its factorization.

12755435026557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825712.

The product of its (nonzero) digits is 44100000, while the sum is 57.

The spelling of 12755435026557 in words is "twelve trillion, seven hundred fifty-five billion, four hundred thirty-five million, twenty-six thousand, five hundred fifty-seven".