1263481408052 has 12 divisors (see below), whose sum is σ = 2213785639716. Its totient is φ = 630971225280.

The previous prime is 1263481407959. The next prime is 1263481408067. The reversal of 1263481408052 is 2508041843621.

It can be written as a sum of positive squares in 2 ways, for example, as 156116653456 + 1107364754596 = 395116^2 + 1052314^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1263481407994 and 1263481408012.

It is a congruent 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, 192365993 + ... + 192372560.

It is an arithmetic number, because the mean of its divisors is an integer number (184482136643).

Almost surely, 2^{1263481408052} is an apocalyptic number.

It is an amenable number.

1263481408052 is a deficient number, since it is larger than the sum of its proper divisors (950304231664).

1263481408052 is a wasteful number, since it uses less digits than its factorization.

1263481408052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384739378 (or 384739376 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 1263481408052 in words is "one trillion, two hundred sixty-three billion, four hundred eighty-one million, four hundred eight thousand, fifty-two".