11827767742 has 16 divisors (see below), whose sum is σ = 20334614400. Its totient is φ = 5054433048.

The previous prime is 11827767713. The next prime is 11827767761. The reversal of 11827767742 is 24776772811.

11827767742 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11827767742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212492 + ... + 1222207.

It is an arithmetic number, because the mean of its divisors is an integer number (1270913400).

Almost surely, 2^11827767742 is an apocalyptic number.

11827767742 is a deficient number, since it is larger than the sum of its proper divisors (8506846658).

11827767742 is a wasteful number, since it uses less digits than its factorization.

11827767742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435055.

The product of its digits is 1843968, while the sum is 52.

The spelling of 11827767742 in words is "eleven billion, eight hundred twenty-seven million, seven hundred sixty-seven thousand, seven hundred forty-two".