11545054553 has 2 divisors, whose sum is σ = 11545054554. Its totient is φ = 11545054552.

The previous prime is 11545054519. The next prime is 11545054567. The reversal of 11545054553 is 35545054511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7567608064 + 3977446489 = 86992^2 + 63067^2 .

It is a cyclic number.

It is not a de Polignac number, because 11545054553 - 2³⁰ = 10471312729 is a prime.

It is not a weakly prime, because it can be changed into another prime (11545054513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772527276 + 5772527277.

It is an arithmetic number, because the mean of its divisors is an integer number (5772527277).

Almost surely, 2^11545054553 is an apocalyptic number.

It is an amenable number.

11545054553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545054553 is an equidigital number, since it uses as much as digits as its factorization.

11545054553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 11545054553 in words is "eleven billion, five hundred forty-five million, fifty-four thousand, five hundred fifty-three".