11819408156 has 6 divisors (see below), whose sum is σ = 20683964280. Its totient is φ = 5909704076.

The previous prime is 11819408149. The next prime is 11819408177. The reversal of 11819408156 is 65180491811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477426016 + ... + 1477426023.

It is an arithmetic number, because the mean of its divisors is an integer number (3447327380).

Almost surely, 2^11819408156 is an apocalyptic number.

It is an amenable number.

11819408156 is a deficient number, since it is larger than the sum of its proper divisors (8864556124).

11819408156 is a wasteful number, since it uses less digits than its factorization.

11819408156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954852043 (or 2954852041 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 44.

Adding to 11819408156 its reverse (65180491811), we get a palindrome (76999899967).

The spelling of 11819408156 in words is "eleven billion, eight hundred nineteen million, four hundred eight thousand, one hundred fifty-six".