11551457041057 has 4 divisors (see below), whose sum is σ = 11559407116180. Its totient is φ = 11543506965936.

The previous prime is 11551457041021. The next prime is 11551457041063. The reversal of 11551457041057 is 75014075415511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10809109373841 + 742347667216 = 3287721^2 + 861596^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551457041057 - 2²³ = 11551448652449 is a prime.

It is a super-3 number, since 3×11551457041057³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11551457040998 and 11551457041016.

It is not an unprimeable number, because it can be changed into a prime (11551457041067) 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 3 ways as a sum of consecutive naturals, for example, 3975035382 + ... + 3975038287.

It is an arithmetic number, because the mean of its divisors is an integer number (2889851779045).

Almost surely, 2^{11551457041057} is an apocalyptic number.

It is an amenable number.

11551457041057 is a deficient number, since it is larger than the sum of its proper divisors (7950075123).

11551457041057 is an equidigital number, since it uses as much as digits as its factorization.

11551457041057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950075122.

The product of its (nonzero) digits is 490000, while the sum is 46.

The spelling of 11551457041057 in words is "eleven trillion, five hundred fifty-one billion, four hundred fifty-seven million, forty-one thousand, fifty-seven".