1491716011 has 8 divisors (see below), whose sum is σ = 1579003200. Its totient is φ = 1405306440.

The previous prime is 1491716003. The next prime is 1491716029. The reversal of 1491716011 is 1106171941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1491716011 - 2³ = 1491716003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1491716041) 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, 215905 + ... + 222706.

It is an arithmetic number, because the mean of its divisors is an integer number (197375400).

Almost surely, 2^1491716011 is an apocalyptic number.

1491716011 is a deficient number, since it is larger than the sum of its proper divisors (87287189).

1491716011 is a wasteful number, since it uses less digits than its factorization.

1491716011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438809.

The product of its (nonzero) digits is 1512, while the sum is 31.

The square root of 1491716011 is about 38622.7395584518. The cubic root of 1491716011 is about 1142.6030623956.

Adding to 1491716011 its reverse (1106171941), we get a palindrome (2597887952).

The spelling of 1491716011 in words is "one billion, four hundred ninety-one million, seven hundred sixteen thousand, eleven".