2430078455911 has 2 divisors, whose sum is σ = 2430078455912. Its totient is φ = 2430078455910.

The previous prime is 2430078455887. The next prime is 2430078455969. The reversal of 2430078455911 is 1195548700342.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2430078455911 - 2³¹ = 2427930972263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2430078455611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215039227955 + 1215039227956.

It is an arithmetic number, because the mean of its divisors is an integer number (1215039227956).

Almost surely, 2^{2430078455911} is an apocalyptic number.

2430078455911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430078455911 is an equidigital number, since it uses as much as digits as its factorization.

2430078455911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 2430078455911 in words is "two trillion, four hundred thirty billion, seventy-eight million, four hundred fifty-five thousand, nine hundred eleven".