11386121788451 has 2 divisors, whose sum is σ = 11386121788452. Its totient is φ = 11386121788450.

The previous prime is 11386121788403. The next prime is 11386121788463. The reversal of 11386121788451 is 15488712168311.

11386121788451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11386121788451 - 2⁶ = 11386121788387 is a prime.

It is not a weakly prime, because it can be changed into another prime (11386121788651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693060894225 + 5693060894226.

It is an arithmetic number, because the mean of its divisors is an integer number (5693060894226).

Almost surely, 2^{11386121788451} is an apocalyptic number.

11386121788451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11386121788451 is an equidigital number, since it uses as much as digits as its factorization.

11386121788451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 56.

The spelling of 11386121788451 in words is "eleven trillion, three hundred eighty-six billion, one hundred twenty-one million, seven hundred eighty-eight thousand, four hundred fifty-one".