11958173419 has 2 divisors, whose sum is σ = 11958173420. Its totient is φ = 11958173418.

The previous prime is 11958173407. The next prime is 11958173441. The reversal of 11958173419 is 91437185911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11958173419 - 2¹¹ = 11958171371 is a prime.

It is a super-2 number, since 2×11958173419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11958173459) 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, 5979086709 + 5979086710.

It is an arithmetic number, because the mean of its divisors is an integer number (5979086710).

Almost surely, 2^11958173419 is an apocalyptic number.

11958173419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11958173419 is an equidigital number, since it uses as much as digits as its factorization.

11958173419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 49.

The spelling of 11958173419 in words is "eleven billion, nine hundred fifty-eight million, one hundred seventy-three thousand, four hundred nineteen".