11111151566060 has 96 divisors (see below), whose sum is σ = 28730248525440. Its totient is φ = 3515003025408.

The previous prime is 11111151566057. The next prime is 11111151566153. The reversal of 11111151566060 is 6066515111111.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 11111151566060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2994656 + ... + 5584824.

It is an arithmetic number, because the mean of its divisors is an integer number (299273422140).

Almost surely, 2^{11111151566060} is an apocalyptic number.

11111151566060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111151566060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14365124262720).

11111151566060 is an abundant number, since it is smaller than the sum of its proper divisors (17619096959380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111151566060 is a wasteful number, since it uses less digits than its factorization.

11111151566060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592555 (or 2592553 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 35.

Adding to 11111151566060 its reverse (6066515111111), we get a palindrome (17177666677171).

The spelling of 11111151566060 in words is "eleven trillion, one hundred eleven billion, one hundred fifty-one million, five hundred sixty-six thousand, sixty".