11385503071 has 2 divisors, whose sum is σ = 11385503072. Its totient is φ = 11385503070.

The previous prime is 11385503009. The next prime is 11385503081. The reversal of 11385503071 is 17030558311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11385503071 - 2¹⁹ = 11384978783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11385503081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692751535 + 5692751536.

It is an arithmetic number, because the mean of its divisors is an integer number (5692751536).

Almost surely, 2^11385503071 is an apocalyptic number.

11385503071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11385503071 is an equidigital number, since it uses as much as digits as its factorization.

11385503071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 11385503071 in words is "eleven billion, three hundred eighty-five million, five hundred three thousand, seventy-one".