1011530435441 has 2 divisors, whose sum is σ = 1011530435442. Its totient is φ = 1011530435440.

The previous prime is 1011530435407. The next prime is 1011530435471. The reversal of 1011530435441 is 1445340351101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784825897216 + 226704538225 = 885904^2 + 476135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011530435441 - 2²² = 1011526241137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011530435398 and 1011530435407.

It is not a weakly prime, because it can be changed into another prime (1011530435471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505765217720 + 505765217721.

It is an arithmetic number, because the mean of its divisors is an integer number (505765217721).

Almost surely, 2^{1011530435441} is an apocalyptic number.

It is an amenable number.

1011530435441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011530435441 is an equidigital number, since it uses as much as digits as its factorization.

1011530435441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1011530435441 its reverse (1445340351101), we get a palindrome (2456870786542).

The spelling of 1011530435441 in words is "one trillion, eleven billion, five hundred thirty million, four hundred thirty-five thousand, four hundred forty-one".