11428945637 has 8 divisors (see below), whose sum is σ = 11630582880. Its totient is φ = 11227572720.

The previous prime is 11428945631. The next prime is 11428945669. The reversal of 11428945637 is 73654982411.

It is a happy number.

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 11428945637 - 2⁶ = 11428945573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428945631) 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, 22187 + ... + 152807.

It is an arithmetic number, because the mean of its divisors is an integer number (1453822860).

Almost surely, 2^11428945637 is an apocalyptic number.

It is an amenable number.

11428945637 is a deficient number, since it is larger than the sum of its proper divisors (201637243).

11428945637 is a wasteful number, since it uses less digits than its factorization.

11428945637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132163.

The product of its digits is 1451520, while the sum is 50.

The spelling of 11428945637 in words is "eleven billion, four hundred twenty-eight million, nine hundred forty-five thousand, six hundred thirty-seven".