11819798415 has 12 divisors (see below), whose sum is σ = 20487650664. Its totient is φ = 6303892464.

The previous prime is 11819798413. The next prime is 11819798503. The reversal of 11819798415 is 51489791811.

11819798415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11819798415 - 2¹ = 11819798413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11819798411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131331049 + ... + 131331138.

It is an arithmetic number, because the mean of its divisors is an integer number (1707304222).

Almost surely, 2^11819798415 is an apocalyptic number.

11819798415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11819798415 is a deficient number, since it is larger than the sum of its proper divisors (8667852249).

11819798415 is a wasteful number, since it uses less digits than its factorization.

11819798415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262662198 (or 262662195 counting only the distinct ones).

The product of its digits is 725760, while the sum is 54.

It can be divided in two parts, 118197 and 98415, that added together give a palindrome (216612).

The spelling of 11819798415 in words is "eleven billion, eight hundred nineteen million, seven hundred ninety-eight thousand, four hundred fifteen".