1361011363 has 4 divisors (see below), whose sum is σ = 1432643560. Its totient is φ = 1289379168.

The previous prime is 1361011331. The next prime is 1361011373. The reversal of 1361011363 is 3631101631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1361011363 - 2⁵ = 1361011331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361011373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35816070 + ... + 35816107.

It is an arithmetic number, because the mean of its divisors is an integer number (358160890).

Almost surely, 2^1361011363 is an apocalyptic number.

1361011363 is a deficient number, since it is larger than the sum of its proper divisors (71632197).

1361011363 is an equidigital number, since it uses as much as digits as its factorization.

1361011363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71632196.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1361011363 is about 36891.8874957625. The cubic root of 1361011363 is about 1108.2062208203.

Adding to 1361011363 its reverse (3631101631), we get a palindrome (4992112994).

The spelling of 1361011363 in words is "one billion, three hundred sixty-one million, eleven thousand, three hundred sixty-three".