11217001304 has 8 divisors (see below), whose sum is σ = 21031877460. Its totient is φ = 5608500648.

The previous prime is 11217001303. The next prime is 11217001309. The reversal of 11217001304 is 40310071211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11217001304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11217001303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701062574 + ... + 701062589.

Almost surely, 2^11217001304 is an apocalyptic number.

It is an amenable number.

11217001304 is a deficient number, since it is larger than the sum of its proper divisors (9814876156).

11217001304 is a wasteful number, since it uses less digits than its factorization.

11217001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402125169 (or 1402125165 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 11217001304 its reverse (40310071211), we get a palindrome (51527072515).

The spelling of 11217001304 in words is "eleven billion, two hundred seventeen million, one thousand, three hundred four".