28081486125 has 192 divisors, whose sum is σ = 66828602880. Its totient is φ = 10983168000.

The previous prime is 28081486099. The next prime is 28081486141. The reversal of 28081486125 is 52168418082.

28081486125 is a `hidden beast` number, since 2 + 80 + 81 + 486 + 12 + 5 = 666.

It is not a de Polignac number, because 28081486125 - 2⁵ = 28081486093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1463091 + ... + 1482159.

It is an arithmetic number, because the mean of its divisors is an integer number (348065640).

Almost surely, 2^28081486125 is an apocalyptic number.

28081486125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28081486125 is an abundant number, since it is smaller than the sum of its proper divisors (38747116755).

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

28081486125 is a wasteful number, since it uses less digits than its factorization.

28081486125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19125 (or 19112 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 28081486125 in words is "twenty-eight billion, eighty-one million, four hundred eighty-six thousand, one hundred twenty-five".