27890125391525 has 24 divisors (see below), whose sum is σ = 34736474830464. Its totient is φ = 22213776787200.

The previous prime is 27890125391519. The next prime is 27890125391551. The reversal of 27890125391525 is 52519352109872.

It is not a de Polignac number, because 27890125391525 - 2²² = 27890121197221 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 23 ways as a sum of consecutive naturals, for example, 2877710 + ... + 8003840.

It is an arithmetic number, because the mean of its divisors is an integer number (1447353117936).

Almost surely, 2^{27890125391525} is an apocalyptic number.

27890125391525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27890125391525 is a deficient number, since it is larger than the sum of its proper divisors (6846349438939).

27890125391525 is a wasteful number, since it uses less digits than its factorization.

27890125391525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127101 (or 5127096 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 27890125391525 in words is "twenty-seven trillion, eight hundred ninety billion, one hundred twenty-five million, three hundred ninety-one thousand, five hundred twenty-five".