11146609216 has 28 divisors (see below), whose sum is σ = 22430597760. Its totient is φ = 5494805120.

The previous prime is 11146609189. The next prime is 11146609219. The reversal of 11146609216 is 61290664111.

It is a super-2 number, since 2×11146609216² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11146609219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221976 + ... + 1231063.

Almost surely, 2^11146609216 is an apocalyptic number.

11146609216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11146609216 is an abundant number, since it is smaller than the sum of its proper divisors (11283988544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11146609216 is an equidigital number, since it uses as much as digits as its factorization.

11146609216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453122 (or 2453112 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 11146609216 in words is "eleven billion, one hundred forty-six million, six hundred nine thousand, two hundred sixteen".