265100160000 has 1320 divisors, whose sum is σ = 1029823101120. Its totient is φ = 60383232000.

The previous prime is 265100159971. The next prime is 265100160011. The reversal of 265100160000 is 61001562.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6165119979 + ... + 6165120021.

It is an arithmetic number, because the mean of its divisors is an integer number (780169016).

Almost surely, 2^265100160000 is an apocalyptic number.

265100160000 is a gapful number since it is divisible by the number (20) 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 265100160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514911550560).

265100160000 is an abundant number, since it is smaller than the sum of its proper divisors (764722941120).

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

265100160000 is a wasteful number, since it uses less digits than its factorization.

265100160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 265100160000 its reverse (61001562), we get a palindrome (265161161562).

The spelling of 265100160000 in words is "two hundred sixty-five billion, one hundred million, one hundred sixty thousand".