11634144644 has 12 divisors (see below), whose sum is σ = 20360594268. Its totient is φ = 5816832000.

The previous prime is 11634144631. The next prime is 11634144647. The reversal of 11634144644 is 44644143611.

It can be written as a sum of positive squares in 2 ways, for example, as 1099585600 + 10534559044 = 33160^2 + 102638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11634144598 and 11634144607.

It is not an unprimeable number, because it can be changed into a prime (11634144647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91124 + ... + 177684.

It is an arithmetic number, because the mean of its divisors is an integer number (1696716189).

Almost surely, 2^11634144644 is an apocalyptic number.

It is an amenable number.

11634144644 is a deficient number, since it is larger than the sum of its proper divisors (8726449624).

11634144644 is a wasteful number, since it uses less digits than its factorization.

11634144644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120166 (or 120164 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The spelling of 11634144644 in words is "eleven billion, six hundred thirty-four million, one hundred forty-four thousand, six hundred forty-four".