131162775261011 has 6 divisors (see below), whose sum is σ = 142028330608260. Its totient is φ = 121073331010008.

The previous prime is 131162775260903. The next prime is 131162775261041. The reversal of 131162775261011 is 110162577261131.

It is not a de Polignac number, because 131162775261011 - 2¹⁰ = 131162775259987 is a prime.

It is a super-2 number, since 2×131162775261011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131162775261041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388055547941 + ... + 388055548278.

It is an arithmetic number, because the mean of its divisors is an integer number (23671388434710).

Almost surely, 2^{131162775261011} is an apocalyptic number.

131162775261011 is a deficient number, since it is larger than the sum of its proper divisors (10865555347249).

131162775261011 is an equidigital number, since it uses as much as digits as its factorization.

131162775261011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776111096245 (or 776111096232 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 131162775261011 in words is "one hundred thirty-one trillion, one hundred sixty-two billion, seven hundred seventy-five million, two hundred sixty-one thousand, eleven".