12525780227779 has 32 divisors (see below), whose sum is σ = 15429004416000. Its totient is φ = 9902372045184.

The previous prime is 12525780227777. The next prime is 12525780227783. The reversal of 12525780227779 is 97772208752521.

12525780227779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12525780227779 - 2¹ = 12525780227777 is a prime.

It is a super-3 number, since 3×12525780227779³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12525780227779.

It is not an unprimeable number, because it can be changed into a prime (12525780227777) 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, 1220950152 + ... + 1220960410.

It is an arithmetic number, because the mean of its divisors is an integer number (482156388000).

Almost surely, 2^{12525780227779} is an apocalyptic number.

12525780227779 is a deficient number, since it is larger than the sum of its proper divisors (2903224188221).

12525780227779 is a wasteful number, since it uses less digits than its factorization.

12525780227779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19987.

The product of its (nonzero) digits is 69148800, while the sum is 64.

The spelling of 12525780227779 in words is "twelve trillion, five hundred twenty-five billion, seven hundred eighty million, two hundred twenty-seven thousand, seven hundred seventy-nine".