2554039565605 has 24 divisors (see below), whose sum is σ = 3370771870200. Its totient is φ = 1856395685760.

The previous prime is 2554039565587. The next prime is 2554039565629. The reversal of 2554039565605 is 5065659304552.

It can be written as a sum of positive squares in 4 ways, for example, as 19374969636 + 2534664595969 = 139194^2 + 1592063^2 .

It is not a de Polignac number, because 2554039565605 - 2⁹ = 2554039565093 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201150 + ... + 2269039.

It is an arithmetic number, because the mean of its divisors is an integer number (140448827925).

Almost surely, 2^{2554039565605} is an apocalyptic number.

It is an amenable number.

2554039565605 is a deficient number, since it is larger than the sum of its proper divisors (816732304595).

2554039565605 is a wasteful number, since it uses less digits than its factorization.

2554039565605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471925 (or 2471914 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 55.

The spelling of 2554039565605 in words is "two trillion, five hundred fifty-four billion, thirty-nine million, five hundred sixty-five thousand, six hundred five".