1463516712261 has 6 divisors (see below), whose sum is σ = 2113968584390. Its totient is φ = 975677808168.

The previous prime is 1463516712253. The next prime is 1463516712319. The reversal of 1463516712261 is 1622176153641.

It is a happy number.

1463516712261 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 516 + 7 + 122 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1019968704225 + 443548008036 = 1009935^2 + 665994^2 .

It is not a de Polignac number, because 1463516712261 - 2³ = 1463516712253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463516712241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81306484006 + ... + 81306484023.

Almost surely, 2^{1463516712261} is an apocalyptic number.

It is an amenable number.

1463516712261 is a deficient number, since it is larger than the sum of its proper divisors (650451872129).

1463516712261 is a wasteful number, since it uses less digits than its factorization.

1463516712261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162612968035 (or 162612968032 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 1463516712261 in words is "one trillion, four hundred sixty-three billion, five hundred sixteen million, seven hundred twelve thousand, two hundred sixty-one".