11968498459 has 4 divisors (see below), whose sum is σ = 12007484104. Its totient is φ = 11929512816.

The previous prime is 11968498453. The next prime is 11968498469. The reversal of 11968498459 is 95489486911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11968498459 - 2²³ = 11960109851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11968498459.

It is not an unprimeable number, because it can be changed into a prime (11968498453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19492362 + ... + 19492975.

It is an arithmetic number, because the mean of its divisors is an integer number (3001871026).

Almost surely, 2^11968498459 is an apocalyptic number.

11968498459 is a deficient number, since it is larger than the sum of its proper divisors (38985645).

11968498459 is an equidigital number, since it uses as much as digits as its factorization.

11968498459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38985644.

The product of its digits is 22394880, while the sum is 64.

The spelling of 11968498459 in words is "eleven billion, nine hundred sixty-eight million, four hundred ninety-eight thousand, four hundred fifty-nine".