2555305555278 has 32 divisors (see below), whose sum is σ = 5857433971200. Its totient is φ = 727995356640.

The previous prime is 2555305555199. The next prime is 2555305555333. The reversal of 2555305555278 is 8725555035552.

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, 87149538 + ... + 87178853.

It is an arithmetic number, because the mean of its divisors is an integer number (183044811600).

Almost surely, 2^{2555305555278} is an apocalyptic number.

2555305555278 is an abundant number, since it is smaller than the sum of its proper divisors (3302128415922).

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

2555305555278 is a wasteful number, since it uses less digits than its factorization.

2555305555278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174328752.

The product of its (nonzero) digits is 52500000, while the sum is 57.

The spelling of 2555305555278 in words is "two trillion, five hundred fifty-five billion, three hundred five million, five hundred fifty-five thousand, two hundred seventy-eight".