11571254150161 has 32 divisors (see below), whose sum is σ = 12621975907968. Its totient is φ = 10563522647040.

The previous prime is 11571254150063. The next prime is 11571254150173. The reversal of 11571254150161 is 16105145217511.

It is not a de Polignac number, because 11571254150161 - 2²⁷ = 11571119932433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11571254150761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267317826 + ... + 267361108.

It is an arithmetic number, because the mean of its divisors is an integer number (394436747124).

Almost surely, 2^{11571254150161} is an apocalyptic number.

It is an amenable number.

11571254150161 is a deficient number, since it is larger than the sum of its proper divisors (1050721757807).

11571254150161 is a wasteful number, since it uses less digits than its factorization.

11571254150161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44641.

The product of its (nonzero) digits is 42000, while the sum is 40.

Adding to 11571254150161 its reverse (16105145217511), we get a palindrome (27676399367672).

The spelling of 11571254150161 in words is "eleven trillion, five hundred seventy-one billion, two hundred fifty-four million, one hundred fifty thousand, one hundred sixty-one".