1259720245760 has 160 divisors (see below), whose sum is σ = 3130278649344. Its totient is φ = 485683200000.

The previous prime is 1259720245711. The next prime is 1259720245841. The reversal of 1259720245760 is 675420279521.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 1259720245699 and 1259720245708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19887740 + ... + 19950980.

Almost surely, 2^{1259720245760} is an apocalyptic number.

1259720245760 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 1259720245760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565139324672).

1259720245760 is an abundant number, since it is smaller than the sum of its proper divisors (1870558403584).

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

1259720245760 is an equidigital number, since it uses as much as digits as its factorization.

1259720245760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63546 (or 63530 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 1259720245760 in words is "one trillion, two hundred fifty-nine billion, seven hundred twenty million, two hundred forty-five thousand, seven hundred sixty".