42756544486655 has 16 divisors (see below), whose sum is σ = 52559931007584. Its totient is φ = 33370538334720.

The previous prime is 42756544486631. The next prime is 42756544486661. The reversal of 42756544486655 is 55668444565724.

It is not a de Polignac number, because 42756544486655 - 2¹⁰ = 42756544485631 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 15395492 + ... + 17959238.

It is an arithmetic number, because the mean of its divisors is an integer number (3284995687974).

Almost surely, 2^{42756544486655} is an apocalyptic number.

42756544486655 is a deficient number, since it is larger than the sum of its proper divisors (9803386520929).

42756544486655 is a wasteful number, since it uses less digits than its factorization.

42756544486655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645146.

The product of its digits is 3870720000, while the sum is 71.

The spelling of 42756544486655 in words is "forty-two trillion, seven hundred fifty-six billion, five hundred forty-four million, four hundred eighty-six thousand, six hundred fifty-five".