11171137229425 has 6 divisors (see below), whose sum is σ = 13852210164518. Its totient is φ = 8936909783520.

The previous prime is 11171137229423. The next prime is 11171137229449. The reversal of 11171137229425 is 52492273117111.

11171137229425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 128921211136 + 11042216018289 = 359056^2 + 3322983^2 .

It is not a de Polignac number, because 11171137229425 - 2¹ = 11171137229423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11171137229423) 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, 223422744564 + ... + 223422744613.

Almost surely, 2^{11171137229425} is an apocalyptic number.

It is an amenable number.

11171137229425 is a deficient number, since it is larger than the sum of its proper divisors (2681072935093).

11171137229425 is an equidigital number, since it uses as much as digits as its factorization.

11171137229425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446845489187 (or 446845489182 counting only the distinct ones).

The product of its digits is 211680, while the sum is 46.

The spelling of 11171137229425 in words is "eleven trillion, one hundred seventy-one billion, one hundred thirty-seven million, two hundred twenty-nine thousand, four hundred twenty-five".