11520158171 has 12 divisors (see below), whose sum is σ = 12312804792. Its totient is φ = 10775939328.

The previous prime is 11520158129. The next prime is 11520158191. The reversal of 11520158171 is 17185102511.

It is not a de Polignac number, because 11520158171 - 2⁶ = 11520158107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520158191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75170 + ... + 169383.

It is an arithmetic number, because the mean of its divisors is an integer number (1026067066).

Almost surely, 2^11520158171 is an apocalyptic number.

11520158171 is a deficient number, since it is larger than the sum of its proper divisors (792646621).

11520158171 is a wasteful number, since it uses less digits than its factorization.

11520158171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244750 (or 244733 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 32.

The spelling of 11520158171 in words is "eleven billion, five hundred twenty million, one hundred fifty-eight thousand, one hundred seventy-one".