1262063252560 has 80 divisors (see below), whose sum is σ = 3201620976000. Its totient is φ = 458850424320.

The previous prime is 1262063252543. The next prime is 1262063252617. The reversal of 1262063252560 is 652523602621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4934389 + ... + 5183851.

It is an arithmetic number, because the mean of its divisors is an integer number (40020262200).

Almost surely, 2^{1262063252560} is an apocalyptic number.

1262063252560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1262063252560 is an abundant number, since it is smaller than the sum of its proper divisors (1939557723440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1262063252560 is a wasteful number, since it uses less digits than its factorization.

1262063252560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255236 (or 255230 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 1262063252560 in words is "one trillion, two hundred sixty-two billion, sixty-three million, two hundred fifty-two thousand, five hundred sixty".