15233134440457 has 2 divisors, whose sum is σ = 15233134440458. Its totient is φ = 15233134440456.

The previous prime is 15233134440439. The next prime is 15233134440533. The reversal of 15233134440457 is 75404443133251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8214391637776 + 7018742802681 = 2866076^2 + 2649291^2 .

It is an emirp because it is prime and its reverse (75404443133251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15233134440457 is a prime.

It is not a weakly prime, because it can be changed into another prime (15233134470457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7616567220228 + 7616567220229.

It is an arithmetic number, because the mean of its divisors is an integer number (7616567220229).

Almost surely, 2^{15233134440457} is an apocalyptic number.

It is an amenable number.

15233134440457 is a deficient number, since it is larger than the sum of its proper divisors (1).

15233134440457 is an equidigital number, since it uses as much as digits as its factorization.

15233134440457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 15233134440457 in words is "fifteen trillion, two hundred thirty-three billion, one hundred thirty-four million, four hundred forty thousand, four hundred fifty-seven".