11115064427 has 4 divisors (see below), whose sum is σ = 11150804496. Its totient is φ = 11079324360.

The previous prime is 11115064399. The next prime is 11115064447. The reversal of 11115064427 is 72446051111.

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

It is a cyclic number.

It is not a de Polignac number, because 11115064427 - 2¹² = 11115060331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11115064393 and 11115064402.

It is not an unprimeable number, because it can be changed into a prime (11115064447) 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, 17869568 + ... + 17870189.

It is an arithmetic number, because the mean of its divisors is an integer number (2787701124).

Almost surely, 2^11115064427 is an apocalyptic number.

11115064427 is a deficient number, since it is larger than the sum of its proper divisors (35740069).

11115064427 is an equidigital number, since it uses as much as digits as its factorization.

11115064427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35740068.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 11115064427 in words is "eleven billion, one hundred fifteen million, sixty-four thousand, four hundred twenty-seven".