1305250132015 has 16 divisors (see below), whose sum is σ = 1628013729888. Its totient is φ = 1003737764736.

The previous prime is 1305250132007. The next prime is 1305250132031. The reversal of 1305250132015 is 5102310525031.

It is a cyclic number.

It is not a de Polignac number, because 1305250132015 - 2³ = 1305250132007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42487092 + ... + 42517801.

It is an arithmetic number, because the mean of its divisors is an integer number (101750858118).

Almost surely, 2^{1305250132015} is an apocalyptic number.

1305250132015 is a deficient number, since it is larger than the sum of its proper divisors (322763597873).

1305250132015 is an equidigital number, since it uses as much as digits as its factorization.

1305250132015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85005018.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 1305250132015 its reverse (5102310525031), we get a palindrome (6407560657046).

The spelling of 1305250132015 in words is "one trillion, three hundred five billion, two hundred fifty million, one hundred thirty-two thousand, fifteen".