1263086697880 has 192 divisors, whose sum is σ = 3374740923840. Its totient is φ = 416765067264.

The previous prime is 1263086697863. The next prime is 1263086697893. The reversal of 1263086697880 is 887966803621.

It is a super-2 number, since 2×1263086697880² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73696672 + ... + 73713808.

It is an arithmetic number, because the mean of its divisors is an integer number (17576775645).

Almost surely, 2^{1263086697880} is an apocalyptic number.

1263086697880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263086697880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687370461920).

1263086697880 is an abundant number, since it is smaller than the sum of its proper divisors (2111654225960).

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

1263086697880 is a wasteful number, since it uses less digits than its factorization.

1263086697880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526 (or 17493 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 1263086697880 in words is "one trillion, two hundred sixty-three billion, eighty-six million, six hundred ninety-seven thousand, eight hundred eighty".