11531261245346 has 8 divisors (see below), whose sum is σ = 17305658671644. Its totient is φ = 5762708354800.

The previous prime is 11531261245279. The next prime is 11531261245369. The reversal of 11531261245346 is 64354216213511.

It can be written as a sum of positive squares in 2 ways, for example, as 10750273695121 + 780987550225 = 3278761^2 + 883735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11531261245297 and 11531261245306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461129005 + ... + 1461136896.

Almost surely, 2^{11531261245346} is an apocalyptic number.

11531261245346 is a deficient number, since it is larger than the sum of its proper divisors (5774397426298).

11531261245346 is a wasteful number, since it uses less digits than its factorization.

11531261245346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922267876.

The product of its digits is 518400, while the sum is 44.

Adding to 11531261245346 its reverse (64354216213511), we get a palindrome (75885477458857).

The spelling of 11531261245346 in words is "eleven trillion, five hundred thirty-one billion, two hundred sixty-one million, two hundred forty-five thousand, three hundred forty-six".