11166258919 has 24 divisors (see below), whose sum is σ = 11931835968. Its totient is φ = 10443619200.

The previous prime is 11166258913. The next prime is 11166258947. The reversal of 11166258919 is 91985266111.

It is a happy number.

It is not a de Polignac number, because 11166258919 - 2⁹ = 11166258407 is a prime.

It is a super-2 number, since 2×11166258919² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166258913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3990829 + ... + 3993625.

It is an arithmetic number, because the mean of its divisors is an integer number (497159832).

Almost surely, 2^11166258919 is an apocalyptic number.

11166258919 is a deficient number, since it is larger than the sum of its proper divisors (765577049).

11166258919 is a wasteful number, since it uses less digits than its factorization.

11166258919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003 (or 2974 counting only the distinct ones).

The product of its digits is 233280, while the sum is 49.

The spelling of 11166258919 in words is "eleven billion, one hundred sixty-six million, two hundred fifty-eight thousand, nine hundred nineteen".