1203405045115 has 48 divisors (see below), whose sum is σ = 1812212916192. Its totient is φ = 760394428416.

The previous prime is 1203405045113. The next prime is 1203405045119. The reversal of 1203405045115 is 5115405043021.

It is not a de Polignac number, because 1203405045115 - 2¹ = 1203405045113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203405045113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1510332 + ... + 2165158.

It is an arithmetic number, because the mean of its divisors is an integer number (37754435754).

Almost surely, 2^{1203405045115} is an apocalyptic number.

1203405045115 is a deficient number, since it is larger than the sum of its proper divisors (608807871077).

1203405045115 is a wasteful number, since it uses less digits than its factorization.

1203405045115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655436 (or 655429 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1203405045115 in words is "one trillion, two hundred three billion, four hundred five million, forty-five thousand, one hundred fifteen".