11389155770 has 8 divisors (see below), whose sum is σ = 20500480404. Its totient is φ = 4555662304.

The previous prime is 11389155737. The next prime is 11389155773. The reversal of 11389155770 is 7755198311.

It can be written as a sum of positive squares in 2 ways, for example, as 9965829241 + 1423326529 = 99829^2 + 37727^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11389155773) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 569457779 + ... + 569457798.

Almost surely, 2^11389155770 is an apocalyptic number.

11389155770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11389155770 is a deficient number, since it is larger than the sum of its proper divisors (9111324634).

11389155770 is a wasteful number, since it uses less digits than its factorization.

11389155770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138915584.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 11389155770 in words is "eleven billion, three hundred eighty-nine million, one hundred fifty-five thousand, seven hundred seventy".