11428568516 has 24 divisors (see below), whose sum is σ = 20050806720. Its totient is φ = 5699786400.

The previous prime is 11428568507. The next prime is 11428568519. The reversal of 11428568516 is 61586582411.

It is a super-2 number, since 2×11428568516² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11428568519) 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, 4514171 + ... + 4516701.

It is an arithmetic number, because the mean of its divisors is an integer number (835450280).

Almost surely, 2^11428568516 is an apocalyptic number.

It is an amenable number.

11428568516 is a deficient number, since it is larger than the sum of its proper divisors (8622238204).

11428568516 is a wasteful number, since it uses less digits than its factorization.

11428568516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4953 counting only the distinct ones).

The product of its digits is 460800, while the sum is 47.

It can be divided in two parts, 1142 and 8568516, that added together give a palindrome (8569658).

The spelling of 11428568516 in words is "eleven billion, four hundred twenty-eight million, five hundred sixty-eight thousand, five hundred sixteen".