2525378686855 has 16 divisors (see below), whose sum is σ = 3048889019904. Its totient is φ = 2008015507360.

The previous prime is 2525378686849. The next prime is 2525378686877. The reversal of 2525378686855 is 5586868735252.

It is not a de Polignac number, because 2525378686855 - 2⁵ = 2525378686823 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, 9050070 + ... + 9324940.

It is an arithmetic number, because the mean of its divisors is an integer number (190555563744).

Almost surely, 2^{2525378686855} is an apocalyptic number.

2525378686855 is a deficient number, since it is larger than the sum of its proper divisors (523510333049).

2525378686855 is a wasteful number, since it uses less digits than its factorization.

2525378686855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286046.

The product of its digits is 967680000, while the sum is 70.

The spelling of 2525378686855 in words is "two trillion, five hundred twenty-five billion, three hundred seventy-eight million, six hundred eighty-six thousand, eight hundred fifty-five".