11800205419 has 2 divisors, whose sum is σ = 11800205420. Its totient is φ = 11800205418.

The previous prime is 11800205413. The next prime is 11800205441. The reversal of 11800205419 is 91450200811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11800205419 - 2³ = 11800205411 is a prime.

It is a super-2 number, since 2×11800205419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11800205411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900102709 + 5900102710.

It is an arithmetic number, because the mean of its divisors is an integer number (5900102710).

Almost surely, 2^11800205419 is an apocalyptic number.

11800205419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800205419 is an equidigital number, since it uses as much as digits as its factorization.

11800205419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 11800205419 in words is "eleven billion, eight hundred million, two hundred five thousand, four hundred nineteen".