1115061114505 has 16 divisors (see below), whose sum is σ = 1525766883984. Its totient is φ = 774992701440.

The previous prime is 1115061114493. The next prime is 1115061114553. The reversal of 1115061114505 is 5054111605111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 146025629689 + 969035484816 = 382133^2 + 984396^2 .

It is not a de Polignac number, because 1115061114505 - 2⁵ = 1115061114473 is a prime.

It is a super-2 number, since 2×1115061114505² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504551436 + ... + 504553645.

It is an arithmetic number, because the mean of its divisors is an integer number (95360430249).

Almost surely, 2^{1115061114505} is an apocalyptic number.

It is an amenable number.

1115061114505 is a deficient number, since it is larger than the sum of its proper divisors (410705769479).

1115061114505 is a wasteful number, since it uses less digits than its factorization.

1115061114505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009105116.

The product of its (nonzero) digits is 3000, while the sum is 31.

Adding to 1115061114505 its reverse (5054111605111), we get a palindrome (6169172719616).

The spelling of 1115061114505 in words is "one trillion, one hundred fifteen billion, sixty-one million, one hundred fourteen thousand, five hundred five".