1262616116505 has 64 divisors (see below), whose sum is σ = 2169628519680. Its totient is φ = 624725139456.

The previous prime is 1262616116453. The next prime is 1262616116507. The reversal of 1262616116505 is 5056116162621.

It is not a de Polignac number, because 1262616116505 - 2⁸ = 1262616116249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1262616116507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32240226 + ... + 32279364.

It is an arithmetic number, because the mean of its divisors is an integer number (33900445620).

Almost surely, 2^{1262616116505} is an apocalyptic number.

1262616116505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1262616116505 is a deficient number, since it is larger than the sum of its proper divisors (907012403175).

1262616116505 is a wasteful number, since it uses less digits than its factorization.

1262616116505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40970.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 1262616116505 in words is "one trillion, two hundred sixty-two billion, six hundred sixteen million, one hundred sixteen thousand, five hundred five".