11132553161 has 2 divisors, whose sum is σ = 11132553162. Its totient is φ = 11132553160.

The previous prime is 11132553143. The next prime is 11132553191. The reversal of 11132553161 is 16135523111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10895393161 + 237160000 = 104381^2 + 15400^2 .

It is a cyclic number.

It is not a de Polignac number, because 11132553161 - 2²⁶ = 11065444297 is a prime.

It is not a weakly prime, because it can be changed into another prime (11132553191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566276580 + 5566276581.

It is an arithmetic number, because the mean of its divisors is an integer number (5566276581).

Almost surely, 2^11132553161 is an apocalyptic number.

It is an amenable number.

11132553161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132553161 is an equidigital number, since it uses as much as digits as its factorization.

11132553161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The spelling of 11132553161 in words is "eleven billion, one hundred thirty-two million, five hundred fifty-three thousand, one hundred sixty-one".