1245403545015 has 32 divisors (see below), whose sum is σ = 2279218461696. Its totient is φ = 568850054400.

The previous prime is 1245403545007. The next prime is 1245403545103. The reversal of 1245403545015 is 5105453045421.

It is not a de Polignac number, because 1245403545015 - 2³ = 1245403545007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4845811 + ... + 5096340.

It is an arithmetic number, because the mean of its divisors is an integer number (71225576928).

Almost surely, 2^{1245403545015} is an apocalyptic number.

1245403545015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245403545015 is a deficient number, since it is larger than the sum of its proper divisors (1033814916681).

1245403545015 is a wasteful number, since it uses less digits than its factorization.

1245403545015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943359.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1245403545015 in words is "one trillion, two hundred forty-five billion, four hundred three million, five hundred forty-five thousand, fifteen".