11145671427 has 24 divisors (see below), whose sum is σ = 17295577488. Its totient is φ = 6357598720.

The previous prime is 11145671419. The next prime is 11145671429. The reversal of 11145671427 is 72417654111.

It is not a de Polignac number, because 11145671427 - 2³ = 11145671419 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11145671429) 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, 896898 + ... + 909239.

It is an arithmetic number, because the mean of its divisors is an integer number (720649062).

Almost surely, 2^11145671427 is an apocalyptic number.

11145671427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11145671427 is a deficient number, since it is larger than the sum of its proper divisors (6149906061).

11145671427 is a wasteful number, since it uses less digits than its factorization.

11145671427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806179 (or 1806168 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The spelling of 11145671427 in words is "eleven billion, one hundred forty-five million, six hundred seventy-one thousand, four hundred twenty-seven".