1361202311315 has 128 divisors (see below), whose sum is σ = 2282538424320. Its totient is φ = 753151795200.

The previous prime is 1361202311311. The next prime is 1361202311317. The reversal of 1361202311315 is 5131132021631.

It is not a de Polignac number, because 1361202311315 - 2² = 1361202311311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1361202311311) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8078225 + ... + 8245005.

It is an arithmetic number, because the mean of its divisors is an integer number (17832331440).

Almost surely, 2^{1361202311315} is an apocalyptic number.

1361202311315 is a deficient number, since it is larger than the sum of its proper divisors (921336113005).

1361202311315 is a wasteful number, since it uses less digits than its factorization.

1361202311315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166893.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 1361202311315 its reverse (5131132021631), we get a palindrome (6492334332946).

The spelling of 1361202311315 in words is "one trillion, three hundred sixty-one billion, two hundred two million, three hundred eleven thousand, three hundred fifteen".