19750158133225 has 27 divisors (see below), whose sum is σ = 26519357599749. Its totient is φ = 14584518842400.

The previous prime is 19750158133217. The next prime is 19750158133253. The reversal of 19750158133225 is 52233185105791.

The square root of 19750158133225 is 4444115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5090632475049 + 14659525658176 = 2256243^2 + 3828776^2 .

It is not a de Polignac number, because 19750158133225 - 2³ = 19750158133217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 288833290 + ... + 288901660.

Almost surely, 2^{19750158133225} is an apocalyptic number.

19750158133225 is the 4444115-th square number.

19750158133225 is the 2222058-th centered octagonal number.

It is an amenable number.

19750158133225 is a deficient number, since it is larger than the sum of its proper divisors (6769199466524).

19750158133225 is an frugal number, since it uses more digits than its factorization.

19750158133225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136778 (or 68389 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 19750158133225 in words is "nineteen trillion, seven hundred fifty billion, one hundred fifty-eight million, one hundred thirty-three thousand, two hundred twenty-five".