11112445503505 has 8 divisors (see below), whose sum is σ = 13586537144232. Its totient is φ = 8722221376128.

The previous prime is 11112445503469. The next prime is 11112445503517. The reversal of 11112445503505 is 50530554421111.

It can be written as a sum of positive squares in 4 ways, for example, as 4021536912129 + 7090908591376 = 2005377^2 + 2662876^2 .

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 11112445503505 - 2¹⁷ = 11112445372433 is a prime.

It is a Duffinian number.

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, 20966878044 + ... + 20966878573.

It is an arithmetic number, because the mean of its divisors is an integer number (1698317143029).

Almost surely, 2^{11112445503505} is an apocalyptic number.

It is an amenable number.

11112445503505 is a deficient number, since it is larger than the sum of its proper divisors (2474091640727).

11112445503505 is an equidigital number, since it uses as much as digits as its factorization.

11112445503505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41933756675.

The product of its (nonzero) digits is 60000, while the sum is 37.

Adding to 11112445503505 its reverse (50530554421111), we get a palindrome (61642999924616).

The spelling of 11112445503505 in words is "eleven trillion, one hundred twelve billion, four hundred forty-five million, five hundred three thousand, five hundred five".