11527221751 has 2 divisors, whose sum is σ = 11527221752. Its totient is φ = 11527221750.

The previous prime is 11527221743. The next prime is 11527221781. The reversal of 11527221751 is 15712272511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11527221751 - 2³ = 11527221743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11527221781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763610875 + 5763610876.

It is an arithmetic number, because the mean of its divisors is an integer number (5763610876).

Almost surely, 2^11527221751 is an apocalyptic number.

11527221751 is a deficient number, since it is larger than the sum of its proper divisors (1).

11527221751 is an equidigital number, since it uses as much as digits as its factorization.

11527221751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 34.

The spelling of 11527221751 in words is "eleven billion, five hundred twenty-seven million, two hundred twenty-one thousand, seven hundred fifty-one".