11164457698 has 4 divisors (see below), whose sum is σ = 16746686550. Its totient is φ = 5582228848.

The previous prime is 11164457657. The next prime is 11164457749. The reversal of 11164457698 is 89675446111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10840349689 + 324108009 = 104117^2 + 18003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2791114423 + ... + 2791114426.

Almost surely, 2^11164457698 is an apocalyptic number.

11164457698 is a deficient number, since it is larger than the sum of its proper divisors (5582228852).

11164457698 is an equidigital number, since it uses as much as digits as its factorization.

11164457698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582228851.

The product of its digits is 1451520, while the sum is 52.

The spelling of 11164457698 in words is "eleven billion, one hundred sixty-four million, four hundred fifty-seven thousand, six hundred ninety-eight".