11298205657 has 16 divisors (see below), whose sum is σ = 12290987520. Its totient is φ = 10346054400.

The previous prime is 11298205643. The next prime is 11298205669. The reversal of 11298205657 is 75650289211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11298205657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11298205757) 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, 508023 + ... + 529795.

It is an arithmetic number, because the mean of its divisors is an integer number (768186720).

Almost surely, 2^11298205657 is an apocalyptic number.

It is an amenable number.

11298205657 is a deficient number, since it is larger than the sum of its proper divisors (992781863).

11298205657 is a wasteful number, since it uses less digits than its factorization.

11298205657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22704.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 11298205657 in words is "eleven billion, two hundred ninety-eight million, two hundred five thousand, six hundred fifty-seven".