1156253775171 has 16 divisors (see below), whose sum is σ = 1681842305280. Its totient is φ = 700752100320.

The previous prime is 1156253775161. The next prime is 1156253775247. The reversal of 1156253775171 is 1715773526511.

It is not a de Polignac number, because 1156253775171 - 2¹⁷ = 1156253644099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156253775101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4589346 + ... + 4834728.

It is an arithmetic number, because the mean of its divisors is an integer number (105115144080).

Almost surely, 2^{1156253775171} is an apocalyptic number.

1156253775171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1156253775171 is a deficient number, since it is larger than the sum of its proper divisors (525588530109).

1156253775171 is a wasteful number, since it uses less digits than its factorization.

1156253775171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388186.

The product of its digits is 1543500, while the sum is 51.

The spelling of 1156253775171 in words is "one trillion, one hundred fifty-six billion, two hundred fifty-three million, seven hundred seventy-five thousand, one hundred seventy-one".