11254120019 has 2 divisors, whose sum is σ = 11254120020. Its totient is φ = 11254120018.

The previous prime is 11254119997. The next prime is 11254120027. The reversal of 11254120019 is 91002145211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11254120019 - 2²⁴ = 11237342803 is a prime.

It is a super-2 number, since 2×11254120019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11254120019.

It is not a weakly prime, because it can be changed into another prime (11254128019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627060009 + 5627060010.

It is an arithmetic number, because the mean of its divisors is an integer number (5627060010).

Almost surely, 2^11254120019 is an apocalyptic number.

11254120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11254120019 is an equidigital number, since it uses as much as digits as its factorization.

11254120019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 11254120019 in words is "eleven billion, two hundred fifty-four million, one hundred twenty thousand, nineteen".