11530677438 has 48 divisors (see below), whose sum is σ = 28674768096. Its totient is φ = 3280331520.

The previous prime is 11530677437. The next prime is 11530677463. The reversal of 11530677438 is 83477603511.

11530677438 is a `hidden beast` number, since 1 + 1 + 530 + 6 + 77 + 43 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11530677393 and 11530677402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530677437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167023 + ... + 225738.

It is an arithmetic number, because the mean of its divisors is an integer number (597391002).

Almost surely, 2^11530677438 is an apocalyptic number.

11530677438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11530677438 is an abundant number, since it is smaller than the sum of its proper divisors (17144090658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11530677438 is a wasteful number, since it uses less digits than its factorization.

11530677438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393009 (or 393006 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 11530677438 in words is "eleven billion, five hundred thirty million, six hundred seventy-seven thousand, four hundred thirty-eight".