11499142479 has 8 divisors (see below), whose sum is σ = 16726025472. Its totient is φ = 6969177240.

The previous prime is 11499142477. The next prime is 11499142481. The reversal of 11499142479 is 97424199411.

It is an interprime number because it is at equal distance from previous prime (11499142477) and next prime (11499142481).

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

It is not a de Polignac number, because 11499142479 - 2¹ = 11499142477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11499142471) 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, 174229399 + ... + 174229464.

It is an arithmetic number, because the mean of its divisors is an integer number (2090753184).

Almost surely, 2^11499142479 is an apocalyptic number.

11499142479 is a deficient number, since it is larger than the sum of its proper divisors (5226882993).

11499142479 is a wasteful number, since it uses less digits than its factorization.

11499142479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348458877.

The product of its digits is 653184, while the sum is 51.

The spelling of 11499142479 in words is "eleven billion, four hundred ninety-nine million, one hundred forty-two thousand, four hundred seventy-nine".