1011715667 has 4 divisors (see below), whose sum is σ = 1064963880. Its totient is φ = 958467456.

The previous prime is 1011715637. The next prime is 1011715673. The reversal of 1011715667 is 7665171101.

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 1011715667 - 2⁶ = 1011715603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011715637) 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, 26624078 + ... + 26624115.

It is an arithmetic number, because the mean of its divisors is an integer number (266240970).

Almost surely, 2^1011715667 is an apocalyptic number.

1011715667 is a deficient number, since it is larger than the sum of its proper divisors (53248213).

1011715667 is an equidigital number, since it uses as much as digits as its factorization.

1011715667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53248212.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 1011715667 is about 31807.4781615896. The cubic root of 1011715667 is about 1003.8900700659.

Adding to 1011715667 its reverse (7665171101), we get a palindrome (8676886768).

The spelling of 1011715667 in words is "one billion, eleven million, seven hundred fifteen thousand, six hundred sixty-seven".