11124556666890 has 16 divisors (see below), whose sum is σ = 26698936000608. Its totient is φ = 2966548444496.

The previous prime is 11124556666877. The next prime is 11124556666931. The reversal of 11124556666890 is 9866665542111.

It is a happy number.

It is a super-2 number, since 2×11124556666890² (a number of 27 digits) contains 22 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, 185409277752 + ... + 185409277811.

It is an arithmetic number, because the mean of its divisors is an integer number (1668683500038).

Almost surely, 2^{11124556666890} is an apocalyptic number.

11124556666890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11124556666890 is an abundant number, since it is smaller than the sum of its proper divisors (15574379333718).

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

11124556666890 is a wasteful number, since it uses less digits than its factorization.

11124556666890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370818555573.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 11124556666890 in words is "eleven trillion, one hundred twenty-four billion, five hundred fifty-six million, six hundred sixty-six thousand, eight hundred ninety".