2780555305052 has 12 divisors (see below), whose sum is σ = 5561110610160. Its totient is φ = 1191666559296.

The previous prime is 2780555304997. The next prime is 2780555305103. The reversal of 2780555305052 is 2505035550872.

2780555305052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2780555304988 and 2780555305006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49652773277 + ... + 49652773332.

It is an arithmetic number, because the mean of its divisors is an integer number (463425884180).

Almost surely, 2^{2780555305052} is an apocalyptic number.

It is an amenable number.

2780555305052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780555305052 is a wasteful number, since it uses less digits than its factorization.

2780555305052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99305546620 (or 99305546618 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 2780555305052 in words is "two trillion, seven hundred eighty billion, five hundred fifty-five million, three hundred five thousand, fifty-two".