1254159797825 has 12 divisors (see below), whose sum is σ = 1696536163248. Its totient is φ = 912116216400.

The previous prime is 1254159797797. The next prime is 1254159797827. The reversal of 1254159797825 is 5287979514521.

It is not a de Polignac number, because 1254159797825 - 2¹⁶ = 1254159732289 is a prime.

It is a super-3 number, since 3×1254159797825³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254159797827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2280290267 + ... + 2280290816.

It is an arithmetic number, because the mean of its divisors is an integer number (141378013604).

Almost surely, 2^{1254159797825} is an apocalyptic number.

It is an amenable number.

1254159797825 is a deficient number, since it is larger than the sum of its proper divisors (442376365423).

1254159797825 is a wasteful number, since it uses less digits than its factorization.

1254159797825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560581104 (or 4560581099 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 65.

The spelling of 1254159797825 in words is "one trillion, two hundred fifty-four billion, one hundred fifty-nine million, seven hundred ninety-seven thousand, eight hundred twenty-five".