11303287553 has 2 divisors, whose sum is σ = 11303287554. Its totient is φ = 11303287552.

The previous prime is 11303287547. The next prime is 11303287571. The reversal of 11303287553 is 35578230311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10516092304 + 787195249 = 102548^2 + 28057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11303287553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11303287153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651643776 + 5651643777.

It is an arithmetic number, because the mean of its divisors is an integer number (5651643777).

Almost surely, 2^11303287553 is an apocalyptic number.

It is an amenable number.

11303287553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303287553 is an equidigital number, since it uses as much as digits as its factorization.

11303287553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 11303287553 in words is "eleven billion, three hundred three million, two hundred eighty-seven thousand, five hundred fifty-three".