1230541405553 has 2 divisors, whose sum is σ = 1230541405554. Its totient is φ = 1230541405552.

The previous prime is 1230541405531. The next prime is 1230541405591. The reversal of 1230541405553 is 3555041450321.

It is an a-pointer prime, because the next prime (1230541405591) can be obtained adding 1230541405553 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1215742196449 + 14799209104 = 1102607^2 + 121652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230541405553 - 2¹⁰ = 1230541404529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230541405153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615270702776 + 615270702777.

It is an arithmetic number, because the mean of its divisors is an integer number (615270702777).

Almost surely, 2^{1230541405553} is an apocalyptic number.

It is an amenable number.

1230541405553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230541405553 is an equidigital number, since it uses as much as digits as its factorization.

1230541405553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 1230541405553 its reverse (3555041450321), we get a palindrome (4785582855874).

The spelling of 1230541405553 in words is "one trillion, two hundred thirty billion, five hundred forty-one million, four hundred five thousand, five hundred fifty-three".