1146911817 has 12 divisors (see below), whose sum is σ = 1624462256. Its totient is φ = 719630400.

The previous prime is 1146911789. The next prime is 1146911827. The reversal of 1146911817 is 7181196411.

It is not a de Polignac number, because 1146911817 - 2¹² = 1146907721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146911827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660559 + ... + 662292.

Almost surely, 2^1146911817 is an apocalyptic number.

1146911817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1146911817 is a deficient number, since it is larger than the sum of its proper divisors (477550439).

1146911817 is a wasteful number, since it uses less digits than its factorization.

1146911817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322888 (or 1322871 counting only the distinct ones).

The product of its digits is 12096, while the sum is 39.

The square root of 1146911817 is about 33866.0865321047. The cubic root of 1146911817 is about 1046.7508988134.

The spelling of 1146911817 in words is "one billion, one hundred forty-six million, nine hundred eleven thousand, eight hundred seventeen".