11662384451 has 2 divisors, whose sum is σ = 11662384452. Its totient is φ = 11662384450.

The previous prime is 11662384411. The next prime is 11662384463. The reversal of 11662384451 is 15448326611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11662384451 is a prime.

It is a super-2 number, since 2×11662384451² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11662384399 and 11662384408.

It is not a weakly prime, because it can be changed into another prime (11662384411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831192225 + 5831192226.

It is an arithmetic number, because the mean of its divisors is an integer number (5831192226).

Almost surely, 2^11662384451 is an apocalyptic number.

11662384451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11662384451 is an equidigital number, since it uses as much as digits as its factorization.

11662384451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The spelling of 11662384451 in words is "eleven billion, six hundred sixty-two million, three hundred eighty-four thousand, four hundred fifty-one".