11123261623545 has 8 divisors (see below), whose sum is σ = 17797218597696. Its totient is φ = 5932406199216.

The previous prime is 11123261623519. The next prime is 11123261623553. The reversal of 11123261623545 is 54532616232111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11123261623545 - 2⁷ = 11123261623417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123261623497 and 11123261623506.

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, 370775387437 + ... + 370775387466.

It is an arithmetic number, because the mean of its divisors is an integer number (2224652324712).

Almost surely, 2^{11123261623545} is an apocalyptic number.

11123261623545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11123261623545 is a deficient number, since it is larger than the sum of its proper divisors (6673956974151).

11123261623545 is an equidigital number, since it uses as much as digits as its factorization.

11123261623545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741550774911.

The product of its digits is 259200, while the sum is 42.

Adding to 11123261623545 its reverse (54532616232111), we get a palindrome (65655877855656).

The spelling of 11123261623545 in words is "eleven trillion, one hundred twenty-three billion, two hundred sixty-one million, six hundred twenty-three thousand, five hundred forty-five".