11127996985 has 8 divisors (see below), whose sum is σ = 15261253056. Its totient is φ = 7630626480.

The previous prime is 11127996983. The next prime is 11127996989. The reversal of 11127996985 is 58969972111.

11127996985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11127996985 - 2¹ = 11127996983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11127996983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158971351 + ... + 158971420.

It is an arithmetic number, because the mean of its divisors is an integer number (1907656632).

Almost surely, 2^11127996985 is an apocalyptic number.

It is an amenable number.

11127996985 is a deficient number, since it is larger than the sum of its proper divisors (4133256071).

11127996985 is an equidigital number, since it uses as much as digits as its factorization.

11127996985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317942783.

The product of its digits is 2449440, while the sum is 58.

The spelling of 11127996985 in words is "eleven billion, one hundred twenty-seven million, nine hundred ninety-six thousand, nine hundred eighty-five".