2542255686605 has 16 divisors (see below), whose sum is σ = 3149176009728. Its totient is φ = 1968160896000.

The previous prime is 2542255686589. The next prime is 2542255686611. The reversal of 2542255686605 is 5066865522452.

It is not a de Polignac number, because 2542255686605 - 2⁴ = 2542255686589 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, 10444640 + ... + 10685270.

It is an arithmetic number, because the mean of its divisors is an integer number (196823500608).

Almost surely, 2^{2542255686605} is an apocalyptic number.

It is an amenable number.

2542255686605 is a deficient number, since it is larger than the sum of its proper divisors (606920323123).

2542255686605 is a wasteful number, since it uses less digits than its factorization.

2542255686605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308828.

The product of its (nonzero) digits is 34560000, while the sum is 56.

The spelling of 2542255686605 in words is "two trillion, five hundred forty-two billion, two hundred fifty-five million, six hundred eighty-six thousand, six hundred five".