780105112625152 has 112 divisors (see below), whose sum is σ = 1583565528475512. Its totient is φ = 384203615109120.

The previous prime is 780105112625123. The next prime is 780105112625197. The reversal of 780105112625152 is 251526211501087.

It can be written as a sum of positive squares in 4 ways, for example, as 355365328490496 + 424739784134656 = 18851136^2 + 20609216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454233088 + ... + 455947264.

Almost surely, 2^{780105112625152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780105112625152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791782764237756).

780105112625152 is an abundant number, since it is smaller than the sum of its proper divisors (803460415850360).

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

780105112625152 is an equidigital number, since it uses as much as digits as its factorization.

780105112625152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715037 (or 1715013 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 780105112625152 in words is "seven hundred eighty trillion, one hundred five billion, one hundred twelve million, six hundred twenty-five thousand, one hundred fifty-two".