11962251647 has 2 divisors, whose sum is σ = 11962251648. Its totient is φ = 11962251646.

The previous prime is 11962251643. The next prime is 11962251683. The reversal of 11962251647 is 74615226911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11962251647 - 2² = 11962251643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11962251598 and 11962251607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11962251641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5981125823 + 5981125824.

It is an arithmetic number, because the mean of its divisors is an integer number (5981125824).

Almost surely, 2^11962251647 is an apocalyptic number.

11962251647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11962251647 is an equidigital number, since it uses as much as digits as its factorization.

11962251647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The spelling of 11962251647 in words is "eleven billion, nine hundred sixty-two million, two hundred fifty-one thousand, six hundred forty-seven".