1251414355241 has 4 divisors (see below), whose sum is σ = 1263804596484. Its totient is φ = 1239024114000.

The previous prime is 1251414355187. The next prime is 1251414355249. The reversal of 1251414355241 is 1425534141521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1061641729600 + 189772625641 = 1030360^2 + 435629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1251414355241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1251414355195 and 1251414355204.

It is not an unprimeable number, because it can be changed into a prime (1251414355249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195120470 + ... + 6195120671.

It is an arithmetic number, because the mean of its divisors is an integer number (315951149121).

Almost surely, 2^{1251414355241} is an apocalyptic number.

It is an amenable number.

1251414355241 is a deficient number, since it is larger than the sum of its proper divisors (12390241243).

1251414355241 is a wasteful number, since it uses less digits than its factorization.

1251414355241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390241242.

The product of its digits is 96000, while the sum is 38.

Adding to 1251414355241 its reverse (1425534141521), we get a palindrome (2676948496762).

The spelling of 1251414355241 in words is "one trillion, two hundred fifty-one billion, four hundred fourteen million, three hundred fifty-five thousand, two hundred forty-one".