1361100215104 has 56 divisors (see below), whose sum is σ = 3193221594240. Its totient is φ = 563213876736.

The previous prime is 1361100215077. The next prime is 1361100215117. The reversal of 1361100215104 is 4015120011631.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52369252 + ... + 52395235.

Almost surely, 2^{1361100215104} is an apocalyptic number.

1361100215104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1361100215104 is an abundant number, since it is smaller than the sum of its proper divisors (1832121379136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361100215104 is a wasteful number, since it uses less digits than its factorization.

1361100215104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104764535 (or 104764525 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1361100215104 its reverse (4015120011631), we get a palindrome (5376220226735).

The spelling of 1361100215104 in words is "one trillion, three hundred sixty-one billion, one hundred million, two hundred fifteen thousand, one hundred four".