11719542490658 has 8 divisors (see below), whose sum is σ = 17579748053952. Its totient is φ = 5859626472676.

The previous prime is 11719542490657. The next prime is 11719542490673. The reversal of 11719542490658 is 85609424591711.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11719542490658.

It is not an unprimeable number, because it can be changed into a prime (11719542490657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72285110 + ... + 72447057.

It is an arithmetic number, because the mean of its divisors is an integer number (2197468506744).

Almost surely, 2^{11719542490658} is an apocalyptic number.

11719542490658 is a deficient number, since it is larger than the sum of its proper divisors (5860205563294).

11719542490658 is a wasteful number, since it uses less digits than its factorization.

11719542490658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144772656.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 11719542490658 in words is "eleven trillion, seven hundred nineteen billion, five hundred forty-two million, four hundred ninety thousand, six hundred fifty-eight".