11121566466 has 16 divisors (see below), whose sum is σ = 22251924000. Its totient is φ = 3705723648.

The previous prime is 11121566399. The next prime is 11121566473. The reversal of 11121566466 is 66466512111.

It is a happy number.

It is a super-3 number, since 3×11121566466³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349791 + ... + 380258.

It is an arithmetic number, because the mean of its divisors is an integer number (1390745250).

Almost surely, 2^11121566466 is an apocalyptic number.

11121566466 is an abundant number, since it is smaller than the sum of its proper divisors (11130357534).

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

11121566466 is a wasteful number, since it uses less digits than its factorization.

11121566466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732593.

The product of its digits is 51840, while the sum is 39.

The spelling of 11121566466 in words is "eleven billion, one hundred twenty-one million, five hundred sixty-six thousand, four hundred sixty-six".