11899820119 has 16 divisors (see below), whose sum is σ = 13033959840. Its totient is φ = 10774488960.

The previous prime is 11899820113. The next prime is 11899820147. The reversal of 11899820119 is 91102899811.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11899820119 - 2³ = 11899820111 is a prime.

It is a super-2 number, since 2×11899820119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899820111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4089237 + ... + 4092145.

It is an arithmetic number, because the mean of its divisors is an integer number (814622490).

Almost surely, 2^11899820119 is an apocalyptic number.

11899820119 is a deficient number, since it is larger than the sum of its proper divisors (1134139721).

11899820119 is a wasteful number, since it uses less digits than its factorization.

11899820119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 93312, while the sum is 49.

The spelling of 11899820119 in words is "eleven billion, eight hundred ninety-nine million, eight hundred twenty thousand, one hundred nineteen".