1260445136203 has 16 divisors (see below), whose sum is σ = 1376647365600. Its totient is φ = 1144512737280.

The previous prime is 1260445136183. The next prime is 1260445136219. The reversal of 1260445136203 is 3026315440621.

It is a de Polignac number, because none of the positive numbers 2^k-1260445136203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260445136273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115536313 + ... + 115547221.

It is an arithmetic number, because the mean of its divisors is an integer number (86040460350).

Almost surely, 2^{1260445136203} is an apocalyptic number.

1260445136203 is a deficient number, since it is larger than the sum of its proper divisors (116202229397).

1260445136203 is a wasteful number, since it uses less digits than its factorization.

1260445136203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22302.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 1260445136203 in words is "one trillion, two hundred sixty billion, four hundred forty-five million, one hundred thirty-six thousand, two hundred three".