1043335215551 has 2 divisors, whose sum is σ = 1043335215552. Its totient is φ = 1043335215550.

The previous prime is 1043335215523. The next prime is 1043335215577. The reversal of 1043335215551 is 1555125333401.

It is a strong prime.

It is an emirp because it is prime and its reverse (1555125333401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043335215551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043335215521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521667607775 + 521667607776.

It is an arithmetic number, because the mean of its divisors is an integer number (521667607776).

Almost surely, 2^{1043335215551} is an apocalyptic number.

1043335215551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043335215551 is an equidigital number, since it uses as much as digits as its factorization.

1043335215551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 1043335215551 in words is "one trillion, forty-three billion, three hundred thirty-five million, two hundred fifteen thousand, five hundred fifty-one".