11428045605 has 24 divisors (see below), whose sum is σ = 19848348000. Its totient is φ = 6082731360.

The previous prime is 11428045523. The next prime is 11428045621. The reversal of 11428045605 is 50654082411.

It is a happy number.

11428045605 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 8 + 0 + 45 + 605 = 666.

It is not a de Polignac number, because 11428045605 - 2¹² = 11428041509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11428045605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232011 + ... + 276920.

It is an arithmetic number, because the mean of its divisors is an integer number (827014500).

Almost surely, 2^11428045605 is an apocalyptic number.

11428045605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11428045605 is a deficient number, since it is larger than the sum of its proper divisors (8420302395).

11428045605 is a wasteful number, since it uses less digits than its factorization.

11428045605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509441 (or 509438 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 11428045605 in words is "eleven billion, four hundred twenty-eight million, forty-five thousand, six hundred five".