11819898259 has 8 divisors (see below), whose sum is σ = 12999954240. Its totient is φ = 10678532736.

The previous prime is 11819898257. The next prime is 11819898269. The reversal of 11819898259 is 95289891811.

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

It is a cyclic number.

It is not a de Polignac number, because 11819898259 - 2¹ = 11819898257 is a prime.

It is a super-2 number, since 2×11819898259² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11819898197 and 11819898206.

It is not an unprimeable number, because it can be changed into a prime (11819898257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9671974 + ... + 9673195.

It is an arithmetic number, because the mean of its divisors is an integer number (1624994280).

Almost surely, 2^11819898259 is an apocalyptic number.

11819898259 is a deficient number, since it is larger than the sum of its proper divisors (1180055981).

11819898259 is a wasteful number, since it uses less digits than its factorization.

11819898259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19345229.

The product of its digits is 3732480, while the sum is 61.

The spelling of 11819898259 in words is "eleven billion, eight hundred nineteen million, eight hundred ninety-eight thousand, two hundred fifty-nine".