1063680405880 has 32 divisors (see below), whose sum is σ = 2534062145040. Its totient is φ = 400444387840.

The previous prime is 1063680405871. The next prime is 1063680405889. The reversal of 1063680405880 is 885040863601.

It is an interprime number because it is at equal distance from previous prime (1063680405871) and next prime (1063680405889).

It is a super-2 number, since 2×1063680405880² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063680405889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782117266 + ... + 782118625.

Almost surely, 2^{1063680405880} is an apocalyptic number.

1063680405880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063680405880 is an abundant number, since it is smaller than the sum of its proper divisors (1470381739160).

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

1063680405880 is a wasteful number, since it uses less digits than its factorization.

1063680405880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564235919 (or 1564235915 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 1063680405880 in words is "one trillion, sixty-three billion, six hundred eighty million, four hundred five thousand, eight hundred eighty".