195019450125 has 32 divisors (see below), whose sum is σ = 335702465280. Its totient is φ = 100423803200.

The previous prime is 195019450123. The next prime is 195019450127. The reversal of 195019450125 is 521054910591.

It is an interprime number because it is at equal distance from previous prime (195019450123) and next prime (195019450127).

It is not a de Polignac number, because 195019450125 - 2¹ = 195019450123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195019450123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8955537 + ... + 8977286.

It is an arithmetic number, because the mean of its divisors is an integer number (10490702040).

Almost surely, 2^195019450125 is an apocalyptic number.

195019450125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195019450125 is a deficient number, since it is larger than the sum of its proper divisors (140683015155).

195019450125 is a wasteful number, since it uses less digits than its factorization.

195019450125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932870 (or 17932860 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 42.

The spelling of 195019450125 in words is "one hundred ninety-five billion, nineteen million, four hundred fifty thousand, one hundred twenty-five".