11054985423 has 8 divisors (see below), whose sum is σ = 15215463936. Its totient is φ = 7132248600.

The previous prime is 11054985421. The next prime is 11054985427. The reversal of 11054985423 is 32458945011.

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

It is not a de Polignac number, because 11054985423 - 2¹ = 11054985421 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11054985421) 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 7 ways as a sum of consecutive naturals, for example, 59435313 + ... + 59435498.

It is an arithmetic number, because the mean of its divisors is an integer number (1901932992).

Almost surely, 2^11054985423 is an apocalyptic number.

11054985423 is a deficient number, since it is larger than the sum of its proper divisors (4160478513).

11054985423 is a wasteful number, since it uses less digits than its factorization.

11054985423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118870845.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 11054985423 in words is "eleven billion, fifty-four million, nine hundred eighty-five thousand, four hundred twenty-three".