12605055161534 has 16 divisors (see below), whose sum is σ = 20685555500400. Its totient is φ = 5713153416960.

The previous prime is 12605055161497. The next prime is 12605055161603. The reversal of 12605055161534 is 43516155050621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820847699 + ... + 820863054.

It is an arithmetic number, because the mean of its divisors is an integer number (1292847218775).

Almost surely, 2^{12605055161534} is an apocalyptic number.

12605055161534 is a deficient number, since it is larger than the sum of its proper divisors (8080500338866).

12605055161534 is a wasteful number, since it uses less digits than its factorization.

12605055161534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641711115.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 12605055161534 in words is "twelve trillion, six hundred five billion, fifty-five million, one hundred sixty-one thousand, five hundred thirty-four".