11123455666790 has 32 divisors (see below), whose sum is σ = 20321507314944. Its totient is φ = 4382876947680.

The previous prime is 11123455666721. The next prime is 11123455666849. The reversal of 11123455666790 is 9766655432111.

It is a happy number.

It is a super-3 number, since 3×11123455666790³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35385005 + ... + 35697975.

It is an arithmetic number, because the mean of its divisors is an integer number (635047103592).

Almost surely, 2^{11123455666790} is an apocalyptic number.

11123455666790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123455666790 is a deficient number, since it is larger than the sum of its proper divisors (9198051648154).

11123455666790 is a wasteful number, since it uses less digits than its factorization.

11123455666790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366092.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 11123455666790 in words is "eleven trillion, one hundred twenty-three billion, four hundred fifty-five million, six hundred sixty-six thousand, seven hundred ninety".