1361251010204 has 24 divisors (see below), whose sum is σ = 2385327329280. Its totient is φ = 679729088304.

The previous prime is 1361251010201. The next prime is 1361251010237. The reversal of 1361251010204 is 4020101521631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361251010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50811797 + ... + 50838579.

It is an arithmetic number, because the mean of its divisors is an integer number (99388638720).

Almost surely, 2^{1361251010204} is an apocalyptic number.

It is an amenable number.

1361251010204 is a deficient number, since it is larger than the sum of its proper divisors (1024076319076).

1361251010204 is a wasteful number, since it uses less digits than its factorization.

1361251010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43049 (or 43047 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1361251010204 its reverse (4020101521631), we get a palindrome (5381352531835).

The spelling of 1361251010204 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-one million, ten thousand, two hundred four".