1463315256081 has 12 divisors (see below), whose sum is σ = 2415631533952. Its totient is φ = 836180146296.

The previous prime is 1463315256079. The next prime is 1463315256107. The reversal of 1463315256081 is 1806525133641.

1463315256081 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 3 + 1 + 5 + 2 + 560 + 81 = 666.

It is not a de Polignac number, because 1463315256081 - 2¹ = 1463315256079 is a prime.

It is a super-2 number, since 2×1463315256081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1463315256061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11613613081 + ... + 11613613206.

Almost surely, 2^{1463315256081} is an apocalyptic number.

It is an amenable number.

1463315256081 is a deficient number, since it is larger than the sum of its proper divisors (952316277871).

1463315256081 is a wasteful number, since it uses less digits than its factorization.

1463315256081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23227226300 (or 23227226297 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1463315256081 in words is "one trillion, four hundred sixty-three billion, three hundred fifteen million, two hundred fifty-six thousand, eighty-one".