11102147513 has 4 divisors (see below), whose sum is σ = 11216602740. Its totient is φ = 10987692288.

The previous prime is 11102147491. The next prime is 11102147561. The reversal of 11102147513 is 31574120111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8443404544 + 2658742969 = 91888^2 + 51563^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102147513 - 2¹² = 11102143417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11102147113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57227468 + ... + 57227661.

It is an arithmetic number, because the mean of its divisors is an integer number (2804150685).

Almost surely, 2^11102147513 is an apocalyptic number.

It is an amenable number.

11102147513 is a deficient number, since it is larger than the sum of its proper divisors (114455227).

11102147513 is an equidigital number, since it uses as much as digits as its factorization.

11102147513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114455226.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 11102147513 its reverse (31574120111), we get a palindrome (42676267624).

The spelling of 11102147513 in words is "eleven billion, one hundred two million, one hundred forty-seven thousand, five hundred thirteen".