11712724937 has 2 divisors, whose sum is σ = 11712724938. Its totient is φ = 11712724936.

The previous prime is 11712724879. The next prime is 11712725033. The reversal of 11712724937 is 73942721711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7713933241 + 3998791696 = 87829^2 + 63236^2 .

It is an emirp because it is prime and its reverse (73942721711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11712724937 - 2¹² = 11712720841 is a prime.

It is a super-3 number, since 3×11712724937³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11712724337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5856362468 + 5856362469.

It is an arithmetic number, because the mean of its divisors is an integer number (5856362469).

Almost surely, 2^11712724937 is an apocalyptic number.

It is an amenable number.

11712724937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11712724937 is an equidigital number, since it uses as much as digits as its factorization.

11712724937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 44.

The spelling of 11712724937 in words is "eleven billion, seven hundred twelve million, seven hundred twenty-four thousand, nine hundred thirty-seven".