191725248532 has 12 divisors (see below), whose sum is σ = 355255607700. Its totient is φ = 90223646336.

The previous prime is 191725248511. The next prime is 191725248541. The reversal of 191725248532 is 235842527191.

It can be written as a sum of positive squares in 2 ways, for example, as 111525274116 + 80199974416 = 333954^2 + 283196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409744407 + ... + 1409744542.

It is an arithmetic number, because the mean of its divisors is an integer number (29604633975).

Almost surely, 2^191725248532 is an apocalyptic number.

It is an amenable number.

191725248532 is a deficient number, since it is larger than the sum of its proper divisors (163530359168).

191725248532 is a wasteful number, since it uses less digits than its factorization.

191725248532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819488970 (or 2819488968 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The spelling of 191725248532 in words is "one hundred ninety-one billion, seven hundred twenty-five million, two hundred forty-eight thousand, five hundred thirty-two".