11964242837 has 2 divisors, whose sum is σ = 11964242838. Its totient is φ = 11964242836.

The previous prime is 11964242831. The next prime is 11964242887. The reversal of 11964242837 is 73824246911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9101350801 + 2862892036 = 95401^2 + 53506^2 .

It is a cyclic number.

It is not a de Polignac number, because 11964242837 - 2¹⁴ = 11964226453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11964242791 and 11964242800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11964242831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5982121418 + 5982121419.

It is an arithmetic number, because the mean of its divisors is an integer number (5982121419).

Almost surely, 2^11964242837 is an apocalyptic number.

It is an amenable number.

11964242837 is a deficient number, since it is larger than the sum of its proper divisors (1).

11964242837 is an equidigital number, since it uses as much as digits as its factorization.

11964242837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The spelling of 11964242837 in words is "eleven billion, nine hundred sixty-four million, two hundred forty-two thousand, eight hundred thirty-seven".