11611161363 has 4 divisors (see below), whose sum is σ = 15481548488. Its totient is φ = 7740774240.

The previous prime is 11611161329. The next prime is 11611161407. The reversal of 11611161363 is 36316111611.

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

It is not a de Polignac number, because 11611161363 - 2⁶ = 11611161299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11611161363.

It is not an unprimeable number, because it can be changed into a prime (11611181363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935193558 + ... + 1935193563.

It is an arithmetic number, because the mean of its divisors is an integer number (3870387122).

Almost surely, 2^11611161363 is an apocalyptic number.

11611161363 is a deficient number, since it is larger than the sum of its proper divisors (3870387125).

11611161363 is an equidigital number, since it uses as much as digits as its factorization.

11611161363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870387124.

The product of its digits is 1944, while the sum is 30.

Adding to 11611161363 its reverse (36316111611), we get a palindrome (47927272974).

The spelling of 11611161363 in words is "eleven billion, six hundred eleven million, one hundred sixty-one thousand, three hundred sixty-three".