11674255731121 has 3 divisors (see below), whose sum is σ = 11674259147883. Its totient is φ = 11674252314360.

The previous prime is 11674255731113. The next prime is 11674255731157. The reversal of 11674255731121 is 12113755247611.

The square root of 11674255731121 is 3416761.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3954971441521 + 7719284289600 = 1988711^2 + 2778360^2 .

It is not a de Polignac number, because 11674255731121 - 2³ = 11674255731113 is a prime.

It is a super-2 number, since 2×11674255731121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11674255731161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1708381 + ... + 5125141.

It is an arithmetic number, because the mean of its divisors is an integer number (3891419715961).

Almost surely, 2^{11674255731121} is an apocalyptic number.

11674255731121 is the 3416761-st square number.

11674255731121 is the 1708381-st centered octagonal number.

It is an amenable number.

11674255731121 is a deficient number, since it is larger than the sum of its proper divisors (3416762).

11674255731121 is an frugal number, since it uses more digits than its factorization.

11674255731121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833522 (or 3416761 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The spelling of 11674255731121 in words is "eleven trillion, six hundred seventy-four billion, two hundred fifty-five million, seven hundred thirty-one thousand, one hundred twenty-one".