11489194651 has 4 divisors (see below), whose sum is σ = 12533666904. Its totient is φ = 10444722400.

The previous prime is 11489194589. The next prime is 11489194699. The reversal of 11489194651 is 15649198411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11489194651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11489194595 and 11489194604.

It is not an unprimeable number, because it can be changed into a prime (11489194751) 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, 522236110 + ... + 522236131.

It is an arithmetic number, because the mean of its divisors is an integer number (3133416726).

Almost surely, 2^11489194651 is an apocalyptic number.

11489194651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11489194651 is a deficient number, since it is larger than the sum of its proper divisors (1044472253).

11489194651 is a wasteful number, since it uses less digits than its factorization.

11489194651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044472252.

The product of its digits is 311040, while the sum is 49.

The spelling of 11489194651 in words is "eleven billion, four hundred eighty-nine million, one hundred ninety-four thousand, six hundred fifty-one".