190854195088425 has 72 divisors (see below), whose sum is σ = 350273436273600. Its totient is φ = 91619175120000.

The previous prime is 190854195088409. The next prime is 190854195088441. The reversal of 190854195088425 is 524880591458091.

It is an interprime number because it is at equal distance from previous prime (190854195088409) and next prime (190854195088441).

It is not a de Polignac number, because 190854195088425 - 2⁴ = 190854195088409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190854195088425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103196125 + ... + 105029274.

Almost surely, 2^{190854195088425} is an apocalyptic number.

190854195088425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190854195088425 is a deficient number, since it is larger than the sum of its proper divisors (159419241185175).

190854195088425 is a wasteful number, since it uses less digits than its factorization.

190854195088425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208225535 (or 208225519 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 69.

The spelling of 190854195088425 in words is "one hundred ninety trillion, eight hundred fifty-four billion, one hundred ninety-five million, eighty-eight thousand, four hundred twenty-five".