11012033531 has 2 divisors, whose sum is σ = 11012033532. Its totient is φ = 11012033530.

The previous prime is 11012033477. The next prime is 11012033533. The reversal of 11012033531 is 13533021011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012033531 - 2¹⁴ = 11012017147 is a prime.

It is a super-2 number, since 2×11012033531² (a number of 21 digits) contains 22 as substring.

Together with 11012033533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11012033533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506016765 + 5506016766.

It is an arithmetic number, because the mean of its divisors is an integer number (5506016766).

Almost surely, 2^11012033531 is an apocalyptic number.

11012033531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012033531 is an equidigital number, since it uses as much as digits as its factorization.

11012033531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 11012033531 its reverse (13533021011), we get a palindrome (24545054542).

The spelling of 11012033531 in words is "eleven billion, twelve million, thirty-three thousand, five hundred thirty-one".