12355185061835 has 96 divisors (see below), whose sum is σ = 19025491693824. Its totient is φ = 7616071008000.

The previous prime is 12355185061831. The next prime is 12355185061873. The reversal of 12355185061835 is 53816058155321.

It is not a de Polignac number, because 12355185061835 - 2² = 12355185061831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12355185061831) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99849905 + ... + 99973565.

It is an arithmetic number, because the mean of its divisors is an integer number (198182205144).

Almost surely, 2^{12355185061835} is an apocalyptic number.

12355185061835 is a deficient number, since it is larger than the sum of its proper divisors (6670306631989).

12355185061835 is a wasteful number, since it uses less digits than its factorization.

12355185061835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124105 (or 124098 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 53.

The spelling of 12355185061835 in words is "twelve trillion, three hundred fifty-five billion, one hundred eighty-five million, sixty-one thousand, eight hundred thirty-five".