11355042769 has 8 divisors (see below), whose sum is σ = 12977839040. Its totient is φ = 9732408336.

The previous prime is 11355042733. The next prime is 11355042779. The reversal of 11355042769 is 96724055311.

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

It is a de Polignac number, because none of the positive numbers 2^k-11355042769 is a prime.

It is a super-2 number, since 2×11355042769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11355042779) 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, 234367 + ... + 278635.

It is an arithmetic number, because the mean of its divisors is an integer number (1622229880).

Almost surely, 2^11355042769 is an apocalyptic number.

It is an amenable number.

11355042769 is a deficient number, since it is larger than the sum of its proper divisors (1622796271).

11355042769 is an equidigital number, since it uses as much as digits as its factorization.

11355042769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80919.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 11355042769 in words is "eleven billion, three hundred fifty-five million, forty-two thousand, seven hundred sixty-nine".