11020111324645 has 8 divisors (see below), whose sum is σ = 13226144292504. Its totient is φ = 8814748591104.

The previous prime is 11020111324643. The next prime is 11020111324669. The reversal of 11020111324645 is 54642311102011.

It can be written as a sum of positive squares in 4 ways, for example, as 1471325332324 + 9548785992321 = 1212982^2 + 3090111^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11020111324645 - 2¹ = 11020111324643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020111324643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167522404 + ... + 167588173.

It is an arithmetic number, because the mean of its divisors is an integer number (1653268036563).

Almost surely, 2^{11020111324645} is an apocalyptic number.

It is an amenable number.

11020111324645 is a deficient number, since it is larger than the sum of its proper divisors (2206032967859).

11020111324645 is an equidigital number, since it uses as much as digits as its factorization.

11020111324645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335117159.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 11020111324645 its reverse (54642311102011), we get a palindrome (65662422426656).

The spelling of 11020111324645 in words is "eleven trillion, twenty billion, one hundred eleven million, three hundred twenty-four thousand, six hundred forty-five".