11882649161 has 2 divisors, whose sum is σ = 11882649162. Its totient is φ = 11882649160.

The previous prime is 11882649139. The next prime is 11882649301. The reversal of 11882649161 is 16194628811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6992304400 + 4890344761 = 83620^2 + 69931^2 .

It is a cyclic number.

It is not a de Polignac number, because 11882649161 - 2¹⁴ = 11882632777 is a prime.

It is a super-3 number, since 3×11882649161³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11882649461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941324580 + 5941324581.

It is an arithmetic number, because the mean of its divisors is an integer number (5941324581).

Almost surely, 2^11882649161 is an apocalyptic number.

It is an amenable number.

11882649161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11882649161 is an equidigital number, since it uses as much as digits as its factorization.

11882649161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 47.

The spelling of 11882649161 in words is "eleven billion, eight hundred eighty-two million, six hundred forty-nine thousand, one hundred sixty-one".