11040231551 has 2 divisors, whose sum is σ = 11040231552. Its totient is φ = 11040231550.

The previous prime is 11040231533. The next prime is 11040231563. The reversal of 11040231551 is 15513204011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11040231551 - 2¹⁰ = 11040230527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11040236551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520115775 + 5520115776.

It is an arithmetic number, because the mean of its divisors is an integer number (5520115776).

Almost surely, 2^11040231551 is an apocalyptic number.

11040231551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040231551 is an equidigital number, since it uses as much as digits as its factorization.

11040231551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11040231551 its reverse (15513204011), we get a palindrome (26553435562).

The spelling of 11040231551 in words is "eleven billion, forty million, two hundred thirty-one thousand, five hundred fifty-one".