11857415423575 has 24 divisors (see below), whose sum is σ = 15344359291008. Its totient is φ = 9072379910880.

The previous prime is 11857415423573. The next prime is 11857415423587. The reversal of 11857415423575 is 57532451475811.

It is a happy number.

It is not a de Polignac number, because 11857415423575 - 2¹ = 11857415423573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857415423573) 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 in 23 ways as a sum of consecutive naturals, for example, 3401392 + ... + 5940058.

It is an arithmetic number, because the mean of its divisors is an integer number (639348303792).

Almost surely, 2^{11857415423575} is an apocalyptic number.

11857415423575 is a deficient number, since it is larger than the sum of its proper divisors (3486943867433).

11857415423575 is a wasteful number, since it uses less digits than its factorization.

11857415423575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546823 (or 2546818 counting only the distinct ones).

The product of its digits is 23520000, while the sum is 58.

The spelling of 11857415423575 in words is "eleven trillion, eight hundred fifty-seven billion, four hundred fifteen million, four hundred twenty-three thousand, five hundred seventy-five".