11771824747 has 2 divisors, whose sum is σ = 11771824748. Its totient is φ = 11771824746.

The previous prime is 11771824733. The next prime is 11771824807. The reversal of 11771824747 is 74742817711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11771824747 - 2¹⁹ = 11771300459 is a prime.

It is a super-2 number, since 2×11771824747² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11771824747.

It is not a weakly prime, because it can be changed into another prime (11771824247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885912373 + 5885912374.

It is an arithmetic number, because the mean of its divisors is an integer number (5885912374).

Almost surely, 2^11771824747 is an apocalyptic number.

11771824747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11771824747 is an equidigital number, since it uses as much as digits as its factorization.

11771824747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 614656, while the sum is 49.

The spelling of 11771824747 in words is "eleven billion, seven hundred seventy-one million, eight hundred twenty-four thousand, seven hundred forty-seven".