11387825818357 has 6 divisors (see below), whose sum is σ = 11767025014134. Its totient is φ = 11020476597480.

The previous prime is 11387825818331. The next prime is 11387825818451. The reversal of 11387825818357 is 75381852878311.

It can be written as a sum of positive squares in only one way, i.e., 11377034556196 + 10791262161 = 3372986^2 + 103881^2 .

It is not a de Polignac number, because 11387825818357 - 2¹¹ = 11387825816309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11387825818292 and 11387825818301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387225818357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5924986458 + ... + 5924988379.

It is an arithmetic number, because the mean of its divisors is an integer number (1961170835689).

Almost surely, 2^{11387825818357} is an apocalyptic number.

It is an amenable number.

11387825818357 is a deficient number, since it is larger than the sum of its proper divisors (379199195777).

11387825818357 is an equidigital number, since it uses as much as digits as its factorization.

11387825818357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849974899 (or 11849974868 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 67.

The spelling of 11387825818357 in words is "eleven trillion, three hundred eighty-seven billion, eight hundred twenty-five million, eight hundred eighteen thousand, three hundred fifty-seven".