11038449665 has 8 divisors (see below), whose sum is σ = 13943304960. Its totient is φ = 8365982832.

The previous prime is 11038449661. The next prime is 11038449671. The reversal of 11038449665 is 56694483011.

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 11038449665 - 2² = 11038449661 is a prime.

It is a super-2 number, since 2×11038449665² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11038449661) 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, 58097009 + ... + 58097198.

It is an arithmetic number, because the mean of its divisors is an integer number (1742913120).

Almost surely, 2^11038449665 is an apocalyptic number.

It is an amenable number.

11038449665 is a deficient number, since it is larger than the sum of its proper divisors (2904855295).

11038449665 is a wasteful number, since it uses less digits than its factorization.

11038449665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116194231.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 11038449665 in words is "eleven billion, thirty-eight million, four hundred forty-nine thousand, six hundred sixty-five".