11513016021241 has 16 divisors (see below), whose sum is σ = 13731119161344. Its totient is φ = 9438341475024.

The previous prime is 11513016021223. The next prime is 11513016021277. The reversal of 11513016021241 is 14212061031511.

It is a happy number.

It is not a de Polignac number, because 11513016021241 - 2⁷ = 11513016021113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11513016027241) 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, 1721025 + ... + 5097838.

It is an arithmetic number, because the mean of its divisors is an integer number (858194947584).

Almost surely, 2^{11513016021241} is an apocalyptic number.

It is an amenable number.

11513016021241 is a deficient number, since it is larger than the sum of its proper divisors (2218103140103).

11513016021241 is a wasteful number, since it uses less digits than its factorization.

11513016021241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829380.

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 11513016021241 its reverse (14212061031511), we get a palindrome (25725077052752).

The spelling of 11513016021241 in words is "eleven trillion, five hundred thirteen billion, sixteen million, twenty-one thousand, two hundred forty-one".