19952510080925 has 6 divisors (see below), whose sum is σ = 24741112500378. Its totient is φ = 15962008064720.

The previous prime is 19952510080897. The next prime is 19952510080927. The reversal of 19952510080925 is 52908001525991.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3999148045369 + 15953362035556 = 1999787^2 + 3994166^2 .

It is a de Polignac number, because none of the positive numbers 2^k-19952510080925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19952510080927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399050201594 + ... + 399050201643.

It is an arithmetic number, because the mean of its divisors is an integer number (4123518750063).

Almost surely, 2^{19952510080925} is an apocalyptic number.

It is an amenable number.

19952510080925 is a deficient number, since it is larger than the sum of its proper divisors (4788602419453).

19952510080925 is an equidigital number, since it uses as much as digits as its factorization.

19952510080925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798100403247 (or 798100403242 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 56.

The spelling of 19952510080925 in words is "nineteen trillion, nine hundred fifty-two billion, five hundred ten million, eighty thousand, nine hundred twenty-five".