1361254173106 has 16 divisors (see below), whose sum is σ = 2084252893848. Its totient is φ = 666550684800.

The previous prime is 1361254173089. The next prime is 1361254173107. The reversal of 1361254173106 is 6013714521631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1286656907481 + 74597265625 = 1134309^2 + 273125^2 .

It is not an unprimeable number, because it can be changed into a prime (1361254173107) 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, 11811435 + ... + 11926126.

Almost surely, 2^{1361254173106} is an apocalyptic number.

1361254173106 is a deficient number, since it is larger than the sum of its proper divisors (722998720742).

1361254173106 is a wasteful number, since it uses less digits than its factorization.

1361254173106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23738157.

The product of its (nonzero) digits is 90720, while the sum is 40.

Adding to 1361254173106 its reverse (6013714521631), we get a palindrome (7374968694737).

The spelling of 1361254173106 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, one hundred seventy-three thousand, one hundred six".