1543212304451 has 2 divisors, whose sum is σ = 1543212304452. Its totient is φ = 1543212304450.

The previous prime is 1543212304379. The next prime is 1543212304463. The reversal of 1543212304451 is 1544032123451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1543212304451 is a prime.

It is a super-2 number, since 2×1543212304451² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1543212304471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771606152225 + 771606152226.

It is an arithmetic number, because the mean of its divisors is an integer number (771606152226).

Almost surely, 2^{1543212304451} is an apocalyptic number.

1543212304451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1543212304451 is an equidigital number, since it uses as much as digits as its factorization.

1543212304451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 1543212304451 in words is "one trillion, five hundred forty-three billion, two hundred twelve million, three hundred four thousand, four hundred fifty-one".