11110510913 has 4 divisors (see below), whose sum is σ = 11114006868. Its totient is φ = 11107014960.

The previous prime is 11110510909. The next prime is 11110510919. The reversal of 11110510913 is 31901501111.

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 3376539664 + 7733971249 = 58108^2 + 87943^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110510913 - 2² = 11110510909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110510919) 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, 1743206 + ... + 1749567.

It is an arithmetic number, because the mean of its divisors is an integer number (2778501717).

Almost surely, 2^11110510913 is an apocalyptic number.

It is an amenable number.

11110510913 is a deficient number, since it is larger than the sum of its proper divisors (3495955).

11110510913 is an equidigital number, since it uses as much as digits as its factorization.

11110510913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495954.

The product of its (nonzero) digits is 135, while the sum is 23.

The spelling of 11110510913 in words is "eleven billion, one hundred ten million, five hundred ten thousand, nine hundred thirteen".