11223555545 has 16 divisors (see below), whose sum is σ = 13702141440. Its totient is φ = 8823052800.

The previous prime is 11223555523. The next prime is 11223555559. The reversal of 11223555545 is 54555532211.

It is not a de Polignac number, because 11223555545 - 2¹⁰ = 11223554521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223555499 and 11223555508.

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, 890840 + ... + 903350.

It is an arithmetic number, because the mean of its divisors is an integer number (856383840).

Almost surely, 2^11223555545 is an apocalyptic number.

It is an amenable number.

11223555545 is a deficient number, since it is larger than the sum of its proper divisors (2478585895).

11223555545 is a wasteful number, since it uses less digits than its factorization.

11223555545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616.

The product of its digits is 150000, while the sum is 38.

The spelling of 11223555545 in words is "eleven billion, two hundred twenty-three million, five hundred fifty-five thousand, five hundred forty-five".