11463711428 has 54 divisors (see below), whose sum is σ = 22709662794. Its totient is φ = 5060744832.

The previous prime is 11463711419. The next prime is 11463711491. The reversal of 11463711428 is 82411736411.

It can be written as a sum of positive squares in 3 ways, for example, as 1518037444 + 9945673984 = 38962^2 + 99728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11463711391 and 11463711400.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 341576 + ... + 373632.

It is an arithmetic number, because the mean of its divisors is an integer number (420549311).

Almost surely, 2^11463711428 is an apocalyptic number.

It is an amenable number.

11463711428 is a deficient number, since it is larger than the sum of its proper divisors (11245951366).

11463711428 is a wasteful number, since it uses less digits than its factorization.

11463711428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32133 (or 32095 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The spelling of 11463711428 in words is "eleven billion, four hundred sixty-three million, seven hundred eleven thousand, four hundred twenty-eight".