1024255531451 has 2 divisors, whose sum is σ = 1024255531452. Its totient is φ = 1024255531450.

The previous prime is 1024255531417. The next prime is 1024255531517. The reversal of 1024255531451 is 1541355524201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1024255531451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1024255534451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512127765725 + 512127765726.

It is an arithmetic number, because the mean of its divisors is an integer number (512127765726).

Almost surely, 2^{1024255531451} is an apocalyptic number.

1024255531451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024255531451 is an equidigital number, since it uses as much as digits as its factorization.

1024255531451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 1024255531451 in words is "one trillion, twenty-four billion, two hundred fifty-five million, five hundred thirty-one thousand, four hundred fifty-one".