11001120345 has 12 divisors (see below), whose sum is σ = 19068608676. Its totient is φ = 5867264160.

The previous prime is 11001120341. The next prime is 11001120407. The reversal of 11001120345 is 54302110011.

It can be written as a sum of positive squares in 2 ways, for example, as 2332020681 + 8669099664 = 48291^2 + 93108^2 .

It is not a de Polignac number, because 11001120345 - 2² = 11001120341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001120341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122234626 + ... + 122234715.

It is an arithmetic number, because the mean of its divisors is an integer number (1589050723).

Almost surely, 2^11001120345 is an apocalyptic number.

11001120345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11001120345 is a deficient number, since it is larger than the sum of its proper divisors (8067488331).

11001120345 is a wasteful number, since it uses less digits than its factorization.

11001120345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244469352 (or 244469349 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11001120345 its reverse (54302110011), we get a palindrome (65303230356).

The spelling of 11001120345 in words is "eleven billion, one million, one hundred twenty thousand, three hundred forty-five".