11532788081 has 2 divisors, whose sum is σ = 11532788082. Its totient is φ = 11532788080.

The previous prime is 11532788027. The next prime is 11532788107. The reversal of 11532788081 is 18088723511.

11532788081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10209283681 + 1323504400 = 101041^2 + 36380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11532788081 is a prime.

It is a super-2 number, since 2×11532788081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11532788881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766394040 + 5766394041.

It is an arithmetic number, because the mean of its divisors is an integer number (5766394041).

Almost surely, 2^11532788081 is an apocalyptic number.

It is an amenable number.

11532788081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532788081 is an equidigital number, since it uses as much as digits as its factorization.

11532788081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 11532788081 in words is "eleven billion, five hundred thirty-two million, seven hundred eighty-eight thousand, eighty-one".