2148255019907 has 2 divisors, whose sum is σ = 2148255019908. Its totient is φ = 2148255019906.

The previous prime is 2148255019879. The next prime is 2148255019927. The reversal of 2148255019907 is 7099105528412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2148255019907 - 2¹² = 2148255015811 is a prime.

It is a super-2 number, since 2×2148255019907² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2148255019927) 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, 1074127509953 + 1074127509954.

It is an arithmetic number, because the mean of its divisors is an integer number (1074127509954).

Almost surely, 2^{2148255019907} is an apocalyptic number.

2148255019907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148255019907 is an equidigital number, since it uses as much as digits as its factorization.

2148255019907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 2148255019907 in words is "two trillion, one hundred forty-eight billion, two hundred fifty-five million, nineteen thousand, nine hundred seven".