1361260101636 has 144 divisors (see below), whose sum is σ = 3497079051648. Its totient is φ = 446424652800.

The previous prime is 1361260101601. The next prime is 1361260101647. The reversal of 1361260101636 is 6361010621631.

1361260101636 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 2 + 6 + 0 + 10 + 1 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1361260101636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361362625 + ... + 361366391.

It is an arithmetic number, because the mean of its divisors is an integer number (24285271192).

Almost surely, 2^{1361260101636} is an apocalyptic number.

It is an amenable number.

1361260101636 is an abundant number, since it is smaller than the sum of its proper divisors (2135818950012).

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

1361260101636 is a wasteful number, since it uses less digits than its factorization.

1361260101636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 1361260101636 in words is "one trillion, three hundred sixty-one billion, two hundred sixty million, one hundred one thousand, six hundred thirty-six".