19855125675 has 192 divisors, whose sum is σ = 46945566720. Its totient is φ = 7984656000.

The previous prime is 19855125617. The next prime is 19855125683. The reversal of 19855125675 is 57652155891.

19855125675 is a `hidden beast` number, since 1 + 9 + 8 + 5 + 512 + 56 + 75 = 666.

It is not a de Polignac number, because 19855125675 - 2¹⁰ = 19855124651 is a prime.

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, 1605064 + ... + 1617386.

It is an arithmetic number, because the mean of its divisors is an integer number (244508160).

Almost surely, 2^19855125675 is an apocalyptic number.

19855125675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19855125675 is an abundant number, since it is smaller than the sum of its proper divisors (27090441045).

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

19855125675 is a wasteful number, since it uses less digits than its factorization.

19855125675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391 (or 12380 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 54.

It can be divided in two parts, 19855 and 125675, that added together give a triangular number (145530 = T₅₃₉).

The spelling of 19855125675 in words is "nineteen billion, eight hundred fifty-five million, one hundred twenty-five thousand, six hundred seventy-five".