12565527355042 has 32 divisors (see below), whose sum is σ = 19362462687360. Its totient is φ = 6113698456320.

The previous prime is 12565527355039. The next prime is 12565527355097. The reversal of 12565527355042 is 24055372556521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12183573 + ... + 13174615.

It is an arithmetic number, because the mean of its divisors is an integer number (605076958980).

Almost surely, 2^{12565527355042} is an apocalyptic number.

12565527355042 is a deficient number, since it is larger than the sum of its proper divisors (6796935332318).

12565527355042 is a wasteful number, since it uses less digits than its factorization.

12565527355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992218.

The product of its (nonzero) digits is 12600000, while the sum is 52.

The spelling of 12565527355042 in words is "twelve trillion, five hundred sixty-five billion, five hundred twenty-seven million, three hundred fifty-five thousand, forty-two".