1515040415459 has 2 divisors, whose sum is σ = 1515040415460. Its totient is φ = 1515040415458.

The previous prime is 1515040415311. The next prime is 1515040415461. The reversal of 1515040415459 is 9545140405151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1515040415459 - 2²⁸ = 1514771980003 is a prime.

Together with 1515040415461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1515040415059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757520207729 + 757520207730.

It is an arithmetic number, because the mean of its divisors is an integer number (757520207730).

Almost surely, 2^{1515040415459} is an apocalyptic number.

1515040415459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1515040415459 is an equidigital number, since it uses as much as digits as its factorization.

1515040415459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 1515040415459 in words is "one trillion, five hundred fifteen billion, forty million, four hundred fifteen thousand, four hundred fifty-nine".