11223311355544 has 16 divisors (see below), whose sum is σ = 21044234187000. Its totient is φ = 5611515572352.

The previous prime is 11223311355541. The next prime is 11223311355547. The reversal of 11223311355544 is 44555311332211.

It is an interprime number because it is at equal distance from previous prime (11223311355541) and next prime (11223311355547).

It is a junction number, because it is equal to n+sod(n) for n = 11223311355497 and 11223311355506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223311355541) 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, 17172337 + ... + 17813920.

Almost surely, 2^{11223311355544} is an apocalyptic number.

It is an amenable number.

11223311355544 is a deficient number, since it is larger than the sum of its proper divisors (9820922831456).

11223311355544 is a wasteful number, since it uses less digits than its factorization.

11223311355544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35026362 (or 35026358 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

Adding to 11223311355544 its reverse (44555311332211), we get a palindrome (55778622687755).

The spelling of 11223311355544 in words is "eleven trillion, two hundred twenty-three billion, three hundred eleven million, three hundred fifty-five thousand, five hundred forty-four".