12051751553 has 2 divisors, whose sum is σ = 12051751554. Its totient is φ = 12051751552.

The previous prime is 12051751507. The next prime is 12051751583. The reversal of 12051751553 is 35515715021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11844621889 + 207129664 = 108833^2 + 14392^2 .

It is a cyclic number.

It is not a de Polignac number, because 12051751553 - 2⁶ = 12051751489 is a prime.

It is not a weakly prime, because it can be changed into another prime (12051751583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025875776 + 6025875777.

It is an arithmetic number, because the mean of its divisors is an integer number (6025875777).

Almost surely, 2^12051751553 is an apocalyptic number.

It is an amenable number.

12051751553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12051751553 is an equidigital number, since it uses as much as digits as its factorization.

12051751553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 12051751553 in words is "twelve billion, fifty-one million, seven hundred fifty-one thousand, five hundred fifty-three".