2555231545019 has 2 divisors, whose sum is σ = 2555231545020. Its totient is φ = 2555231545018.

The previous prime is 2555231544973. The next prime is 2555231545021. The reversal of 2555231545019 is 9105451325552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555231545019 - 2¹² = 2555231540923 is a prime.

It is a super-2 number, since 2×2555231545019² (a number of 26 digits) contains 22 as substring.

Together with 2555231545021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2555231545319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277615772509 + 1277615772510.

It is an arithmetic number, because the mean of its divisors is an integer number (1277615772510).

Almost surely, 2^{2555231545019} is an apocalyptic number.

2555231545019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555231545019 is an equidigital number, since it uses as much as digits as its factorization.

2555231545019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 2555231545019 in words is "two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred forty-five thousand, nineteen".