11146727513 has 4 divisors (see below), whose sum is σ = 11231817168. Its totient is φ = 11061637860.

The previous prime is 11146727509. The next prime is 11146727519. The reversal of 11146727513 is 31572764111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11146727513 - 2² = 11146727509 is a prime.

It is a super-4 number, since 4×11146727513⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11146727519) 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, 42544631 + ... + 42544892.

It is an arithmetic number, because the mean of its divisors is an integer number (2807954292).

Almost surely, 2^11146727513 is an apocalyptic number.

It is an amenable number.

11146727513 is a deficient number, since it is larger than the sum of its proper divisors (85089655).

11146727513 is an equidigital number, since it uses as much as digits as its factorization.

11146727513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85089654.

The product of its digits is 35280, while the sum is 38.

The spelling of 11146727513 in words is "eleven billion, one hundred forty-six million, seven hundred twenty-seven thousand, five hundred thirteen".