1361216440353 has 32 divisors (see below), whose sum is σ = 2264457185280. Its totient is φ = 706607976960.

The previous prime is 1361216440267. The next prime is 1361216440373. The reversal of 1361216440353 is 3530446121631.

It is not a de Polignac number, because 1361216440353 - 2⁹ = 1361216439841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361216440373) 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 31 ways as a sum of consecutive naturals, for example, 1839568 + ... + 2471121.

It is an arithmetic number, because the mean of its divisors is an integer number (70764287040).

Almost surely, 2^{1361216440353} is an apocalyptic number.

It is an amenable number.

1361216440353 is a deficient number, since it is larger than the sum of its proper divisors (903240744927).

1361216440353 is a wasteful number, since it uses less digits than its factorization.

1361216440353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312077.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 1361216440353 in words is "one trillion, three hundred sixty-one billion, two hundred sixteen million, four hundred forty thousand, three hundred fifty-three".