515150140441 has 2 divisors, whose sum is σ = 515150140442. Its totient is φ = 515150140440.

The previous prime is 515150140423. The next prime is 515150140499. The reversal of 515150140441 is 144041051515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395132931216 + 120017209225 = 628596^2 + 346435^2 .

It is a cyclic number.

It is not a de Polignac number, because 515150140441 - 2⁹ = 515150139929 is a prime.

It is not a weakly prime, because it can be changed into another prime (515150140741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257575070220 + 257575070221.

It is an arithmetic number, because the mean of its divisors is an integer number (257575070221).

Almost surely, 2^515150140441 is an apocalyptic number.

It is an amenable number.

515150140441 is a deficient number, since it is larger than the sum of its proper divisors (1).

515150140441 is an equidigital number, since it uses as much as digits as its factorization.

515150140441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 515150140441 its reverse (144041051515), we get a palindrome (659191191956).

The spelling of 515150140441 in words is "five hundred fifteen billion, one hundred fifty million, one hundred forty thousand, four hundred forty-one".