2500434243015 has 32 divisors (see below), whose sum is σ = 4174756139520. Its totient is φ = 1275547760256.

The previous prime is 2500434242941. The next prime is 2500434243017. The reversal of 2500434243015 is 5103424340052.

It is not a de Polignac number, because 2500434243015 - 2⁸ = 2500434242759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500434243017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15584221 + ... + 15743849.

It is an arithmetic number, because the mean of its divisors is an integer number (130461129360).

Almost surely, 2^{2500434243015} is an apocalyptic number.

2500434243015 is a deficient number, since it is larger than the sum of its proper divisors (1674321896505).

2500434243015 is a wasteful number, since it uses less digits than its factorization.

2500434243015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205063.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 2500434243015 its reverse (5103424340052), we get a palindrome (7603858583067).

The spelling of 2500434243015 in words is "two trillion, five hundred billion, four hundred thirty-four million, two hundred forty-three thousand, fifteen".