11122001504505 has 24 divisors (see below), whose sum is σ = 19278220071240. Its totient is φ = 5931708249600.

The previous prime is 11122001504491. The next prime is 11122001504531. The reversal of 11122001504505 is 50540510022111.

It is a happy number.

11122001504505 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 0 + 0 + 150 + 4 + 505 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1034142557184 + 10087858947321 = 1016928^2 + 3176139^2 .

It is not a de Polignac number, because 11122001504505 - 2⁵ = 11122001504473 is a prime.

It is a super-2 number, since 2×11122001504505² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14488855 + ... + 15237155.

It is an arithmetic number, because the mean of its divisors is an integer number (803259169635).

Almost surely, 2^{11122001504505} is an apocalyptic number.

11122001504505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11122001504505 is a deficient number, since it is larger than the sum of its proper divisors (8156218566735).

11122001504505 is a wasteful number, since it uses less digits than its factorization.

11122001504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078601 (or 1078598 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 11122001504505 its reverse (50540510022111), we get a palindrome (61662511526616).

The spelling of 11122001504505 in words is "eleven trillion, one hundred twenty-two billion, one million, five hundred four thousand, five hundred five".