11289570257 has 16 divisors (see below), whose sum is σ = 13170585600. Its totient is φ = 9673169184.

The previous prime is 11289570247. The next prime is 11289570269. The reversal of 11289570257 is 75207598211.

It is not a de Polignac number, because 11289570257 - 2¹⁸ = 11289308113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11289570247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356533 + ... + 1364829.

It is an arithmetic number, because the mean of its divisors is an integer number (823161600).

Almost surely, 2^11289570257 is an apocalyptic number.

It is an amenable number.

11289570257 is a deficient number, since it is larger than the sum of its proper divisors (1881015343).

11289570257 is an frugal number, since it uses more digits than its factorization.

11289570257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285 (or 12271 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 11289570257 in words is "eleven billion, two hundred eighty-nine million, five hundred seventy thousand, two hundred fifty-seven".