1305250120115 has 8 divisors (see below), whose sum is σ = 1568326410288. Its totient is φ = 1042849252000.

The previous prime is 1305250120081. The next prime is 1305250120123. The reversal of 1305250120115 is 5110210525031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1305250120115 - 2¹² = 1305250116019 is a prime.

It is a super-2 number, since 2×1305250120115² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 168851261 + ... + 168858990.

It is an arithmetic number, because the mean of its divisors is an integer number (196040801286).

Almost surely, 2^{1305250120115} is an apocalyptic number.

1305250120115 is a deficient number, since it is larger than the sum of its proper divisors (263076290173).

1305250120115 is an equidigital number, since it uses as much as digits as its factorization.

1305250120115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337711029.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 1305250120115 its reverse (5110210525031), we get a palindrome (6415460645146).

The spelling of 1305250120115 in words is "one trillion, three hundred five billion, two hundred fifty million, one hundred twenty thousand, one hundred fifteen".