1143996948511 has 2 divisors, whose sum is σ = 1143996948512. Its totient is φ = 1143996948510.

The previous prime is 1143996948487. The next prime is 1143996948527. The reversal of 1143996948511 is 1158496993411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143996948511 - 2⁹ = 1143996947999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1143996948511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143996948581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571998474255 + 571998474256.

It is an arithmetic number, because the mean of its divisors is an integer number (571998474256).

Almost surely, 2^{1143996948511} is an apocalyptic number.

1143996948511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143996948511 is an equidigital number, since it uses as much as digits as its factorization.

1143996948511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 61.

The spelling of 1143996948511 in words is "one trillion, one hundred forty-three billion, nine hundred ninety-six million, nine hundred forty-eight thousand, five hundred eleven".