1270463316561 has 12 divisors (see below), whose sum is σ = 1894310895360. Its totient is φ = 819653752440.

The previous prime is 1270463316553. The next prime is 1270463316571. The reversal of 1270463316561 is 1656133640721.

1270463316561 is a `hidden beast` number, since 1 + 2 + 7 + 0 + 4 + 633 + 1 + 6 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 1270463316561 - 2³ = 1270463316553 is a prime.

It is a super-2 number, since 2×1270463316561² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270463316571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2276815701 + ... + 2276816258.

It is an arithmetic number, because the mean of its divisors is an integer number (157859241280).

Almost surely, 2^{1270463316561} is an apocalyptic number.

It is an amenable number.

1270463316561 is a deficient number, since it is larger than the sum of its proper divisors (623847578799).

1270463316561 is a wasteful number, since it uses less digits than its factorization.

1270463316561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553631996 (or 4553631993 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 1270463316561 in words is "one trillion, two hundred seventy billion, four hundred sixty-three million, three hundred sixteen thousand, five hundred sixty-one".