11204557640066 has 48 divisors (see below), whose sum is σ = 20314073592000. Its totient is φ = 4615943881248.

The previous prime is 11204557640063. The next prime is 11204557640071. The reversal of 11204557640066 is 66004675540211.

It is a super-2 number, since 2×11204557640066² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11204557640066.

It is not an unprimeable number, because it can be changed into a prime (11204557640063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8038766 + ... + 9329033.

It is an arithmetic number, because the mean of its divisors is an integer number (423209866500).

Almost surely, 2^{11204557640066} is an apocalyptic number.

11204557640066 is a deficient number, since it is larger than the sum of its proper divisors (9109515951934).

11204557640066 is a wasteful number, since it uses less digits than its factorization.

11204557640066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17368071 (or 17368064 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 11204557640066 in words is "eleven trillion, two hundred four billion, five hundred fifty-seven million, six hundred forty thousand, sixty-six".