2805555028055 has 32 divisors (see below), whose sum is σ = 3675151751040. Its totient is φ = 2043654796800.

The previous prime is 2805555028049. The next prime is 2805555028057. The reversal of 2805555028055 is 5508205555082.

It is not a de Polignac number, because 2805555028055 - 2³² = 2801260060759 is a prime.

It is a super-2 number, since 2×2805555028055² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2805555027994 and 2805555028012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805555028057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 971654 + ... + 2560316.

It is an arithmetic number, because the mean of its divisors is an integer number (114848492220).

Almost surely, 2^{2805555028055} is an apocalyptic number.

2805555028055 is a deficient number, since it is larger than the sum of its proper divisors (869596722985).

2805555028055 is a wasteful number, since it uses less digits than its factorization.

2805555028055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589051.

The product of its (nonzero) digits is 4000000, while the sum is 50.

The spelling of 2805555028055 in words is "two trillion, eight hundred five billion, five hundred fifty-five million, twenty-eight thousand, fifty-five".