11857415423459 has 2 divisors, whose sum is σ = 11857415423460. Its totient is φ = 11857415423458.

The previous prime is 11857415423423. The next prime is 11857415423573. The reversal of 11857415423459 is 95432451475811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11857415423459 - 2¹⁶ = 11857415357923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11857415423398 and 11857415423407.

It is not a weakly prime, because it can be changed into another prime (11857415422459) 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, 5928707711729 + 5928707711730.

It is an arithmetic number, because the mean of its divisors is an integer number (5928707711730).

Almost surely, 2^{11857415423459} is an apocalyptic number.

11857415423459 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857415423459 is an equidigital number, since it uses as much as digits as its factorization.

11857415423459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192000, while the sum is 59.

The spelling of 11857415423459 in words is "eleven trillion, eight hundred fifty-seven billion, four hundred fifteen million, four hundred twenty-three thousand, four hundred fifty-nine".