1245288400115 has 4 divisors (see below), whose sum is σ = 1494346080144. Its totient is φ = 996230720088.

The previous prime is 1245288400099. The next prime is 1245288400151. The reversal of 1245288400115 is 5110048825421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1245288400115 - 2⁴ = 1245288400099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124528840007 + ... + 124528840016.

It is an arithmetic number, because the mean of its divisors is an integer number (373586520036).

Almost surely, 2^{1245288400115} is an apocalyptic number.

1245288400115 is a deficient number, since it is larger than the sum of its proper divisors (249057680029).

1245288400115 is an equidigital number, since it uses as much as digits as its factorization.

1245288400115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249057680028.

The product of its (nonzero) digits is 102400, while the sum is 41.

The spelling of 1245288400115 in words is "one trillion, two hundred forty-five billion, two hundred eighty-eight million, four hundred thousand, one hundred fifteen".