1361254270253 has 16 divisors (see below), whose sum is σ = 1367638732800. Its totient is φ = 1354888723200.

The previous prime is 1361254270249. The next prime is 1361254270273. The reversal of 1361254270253 is 3520724521631.

It is a cyclic number.

It is not a de Polignac number, because 1361254270253 - 2² = 1361254270249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361254270253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361254270213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472820468 + ... + 472823346.

It is an arithmetic number, because the mean of its divisors is an integer number (85477420800).

Almost surely, 2^{1361254270253} is an apocalyptic number.

It is an amenable number.

1361254270253 is a deficient number, since it is larger than the sum of its proper divisors (6384462547).

1361254270253 is a wasteful number, since it uses less digits than its factorization.

1361254270253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 302400, while the sum is 41.

Adding to 1361254270253 its reverse (3520724521631), we get a palindrome (4881978791884).

The spelling of 1361254270253 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, two hundred seventy thousand, two hundred fifty-three".