1535543004157 has 2 divisors, whose sum is σ = 1535543004158. Its totient is φ = 1535543004156.

The previous prime is 1535543004067. The next prime is 1535543004161. The reversal of 1535543004157 is 7514003455351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830906994681 + 704636009476 = 911541^2 + 839426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1535543004157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1535543004187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767771502078 + 767771502079.

It is an arithmetic number, because the mean of its divisors is an integer number (767771502079).

Almost surely, 2^{1535543004157} is an apocalyptic number.

It is an amenable number.

1535543004157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1535543004157 is an equidigital number, since it uses as much as digits as its factorization.

1535543004157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 1535543004157 in words is "one trillion, five hundred thirty-five billion, five hundred forty-three million, four thousand, one hundred fifty-seven".