11127765643 has 8 divisors (see below), whose sum is σ = 11174460912. Its totient is φ = 11081097216.

The previous prime is 11127765629. The next prime is 11127765689. The reversal of 11127765643 is 34656772111.

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 11127765643 - 2¹⁷ = 11127634571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11127765643.

It is not an unprimeable number, because it can be changed into a prime (11127765343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648371 + ... + 1655107.

It is an arithmetic number, because the mean of its divisors is an integer number (1396807614).

Almost surely, 2^11127765643 is an apocalyptic number.

11127765643 is a deficient number, since it is larger than the sum of its proper divisors (46695269).

11127765643 is an equidigital number, since it uses as much as digits as its factorization.

11127765643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13421.

The product of its digits is 211680, while the sum is 43.

The spelling of 11127765643 in words is "eleven billion, one hundred twenty-seven million, seven hundred sixty-five thousand, six hundred forty-three".