11742863836 has 12 divisors (see below), whose sum is σ = 22418194680. Its totient is φ = 5337665360.

The previous prime is 11742863807. The next prime is 11742863887. The reversal of 11742863836 is 63836824711.

It is a self number, because there is not a number n which added to its sum of digits gives 11742863836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133441591 + ... + 133441678.

It is an arithmetic number, because the mean of its divisors is an integer number (1868182890).

Almost surely, 2^11742863836 is an apocalyptic number.

It is an amenable number.

11742863836 is a deficient number, since it is larger than the sum of its proper divisors (10675330844).

11742863836 is a wasteful number, since it uses less digits than its factorization.

11742863836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266883284 (or 266883282 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

It can be divided in two parts, 11742 and 863836, that added together give a palindrome (875578).

The spelling of 11742863836 in words is "eleven billion, seven hundred forty-two million, eight hundred sixty-three thousand, eight hundred thirty-six".