11147914479 has 24 divisors (see below), whose sum is σ = 16942344960. Its totient is φ = 6499183392.

The previous prime is 11147914469. The next prime is 11147914501. The reversal of 11147914479 is 97441974111.

It is not a de Polignac number, because 11147914479 - 2¹² = 11147910383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147914429) 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, 568999 + ... + 588264.

It is an arithmetic number, because the mean of its divisors is an integer number (705931040).

Almost surely, 2^11147914479 is an apocalyptic number.

11147914479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11147914479 is a deficient number, since it is larger than the sum of its proper divisors (5794430481).

11147914479 is a wasteful number, since it uses less digits than its factorization.

11147914479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157311 (or 1157298 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The spelling of 11147914479 in words is "eleven billion, one hundred forty-seven million, nine hundred fourteen thousand, four hundred seventy-nine".