11430821153 has 2 divisors, whose sum is σ = 11430821154. Its totient is φ = 11430821152.

The previous prime is 11430821141. The next prime is 11430821159. The reversal of 11430821153 is 35112803411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6813346849 + 4617474304 = 82543^2 + 67952^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430821153 - 2⁴ = 11430821137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11430821159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715410576 + 5715410577.

It is an arithmetic number, because the mean of its divisors is an integer number (5715410577).

Almost surely, 2^11430821153 is an apocalyptic number.

It is an amenable number.

11430821153 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430821153 is an equidigital number, since it uses as much as digits as its factorization.

11430821153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 11430821153 in words is "eleven billion, four hundred thirty million, eight hundred twenty-one thousand, one hundred fifty-three".