11164215297 has 8 divisors (see below), whose sum is σ = 14886111744. Its totient is φ = 7442564528.

The previous prime is 11164215281. The next prime is 11164215317. The reversal of 11164215297 is 79251246111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11164215297 - 2⁴ = 11164215281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11164213297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128608 + ... + 197150.

It is an arithmetic number, because the mean of its divisors is an integer number (1860763968).

Almost surely, 2^11164215297 is an apocalyptic number.

It is an amenable number.

11164215297 is a deficient number, since it is larger than the sum of its proper divisors (3721896447).

11164215297 is an equidigital number, since it uses as much as digits as its factorization.

11164215297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122839.

The product of its digits is 30240, while the sum is 39.

The spelling of 11164215297 in words is "eleven billion, one hundred sixty-four million, two hundred fifteen thousand, two hundred ninety-seven".