11927405951939 has 2 divisors, whose sum is σ = 11927405951940. Its totient is φ = 11927405951938.

The previous prime is 11927405951933. The next prime is 11927405951947. The reversal of 11927405951939 is 93915950472911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11927405951939 is a prime.

It is a super-3 number, since 3×11927405951939³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11927405951933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963702975969 + 5963702975970.

It is an arithmetic number, because the mean of its divisors is an integer number (5963702975970).

Almost surely, 2^{11927405951939} is an apocalyptic number.

11927405951939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927405951939 is an equidigital number, since it uses as much as digits as its factorization.

11927405951939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27556200, while the sum is 65.

The spelling of 11927405951939 in words is "eleven trillion, nine hundred twenty-seven billion, four hundred five million, nine hundred fifty-one thousand, nine hundred thirty-nine".