1005101253427 has 2 divisors, whose sum is σ = 1005101253428. Its totient is φ = 1005101253426.

The previous prime is 1005101253337. The next prime is 1005101253467. The reversal of 1005101253427 is 7243521015001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005101253427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005101253467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502550626713 + 502550626714.

It is an arithmetic number, because the mean of its divisors is an integer number (502550626714).

Almost surely, 2^{1005101253427} is an apocalyptic number.

1005101253427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005101253427 is an equidigital number, since it uses as much as digits as its factorization.

1005101253427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 1005101253427 its reverse (7243521015001), we get a palindrome (8248622268428).

The spelling of 1005101253427 in words is "one trillion, five billion, one hundred one million, two hundred fifty-three thousand, four hundred twenty-seven".