11975964401 has 2 divisors, whose sum is σ = 11975964402. Its totient is φ = 11975964400.

The previous prime is 11975964383. The next prime is 11975964419. The reversal of 11975964401 is 10446957911.

It is a balanced prime because it is at equal distance from previous prime (11975964383) and next prime (11975964419).

It can be written as a sum of positive squares in only one way, i.e., 7920822001 + 4055142400 = 88999^2 + 63680^2 .

It is a cyclic number.

It is not a de Polignac number, because 11975964401 - 2⁶ = 11975964337 is a prime.

It is not a weakly prime, because it can be changed into another prime (11975964421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987982200 + 5987982201.

It is an arithmetic number, because the mean of its divisors is an integer number (5987982201).

Almost surely, 2^11975964401 is an apocalyptic number.

It is an amenable number.

11975964401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11975964401 is an equidigital number, since it uses as much as digits as its factorization.

11975964401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 11975964401 in words is "eleven billion, nine hundred seventy-five million, nine hundred sixty-four thousand, four hundred one".