11310513111 has 8 divisors (see below), whose sum is σ = 16756315760. Its totient is φ = 7540342056.

The previous prime is 11310513077. The next prime is 11310513119. The reversal of 11310513111 is 11131501311.

11310513111 is a `hidden beast` number, since 11 + 31 + 0 + 513 + 111 = 666.

It is not a de Polignac number, because 11310513111 - 2⁶ = 11310513047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310513119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209453920 + ... + 209453973.

It is an arithmetic number, because the mean of its divisors is an integer number (2094539470).

Almost surely, 2^11310513111 is an apocalyptic number.

11310513111 is a deficient number, since it is larger than the sum of its proper divisors (5445802649).

11310513111 is an equidigital number, since it uses as much as digits as its factorization.

11310513111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418907902 (or 418907896 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

The spelling of 11310513111 in words is "eleven billion, three hundred ten million, five hundred thirteen thousand, one hundred eleven".