26115852816 has 125 divisors (see below), whose sum is σ = 76732110191. Its totient is φ = 8575354656.

The previous prime is 26115852769. The next prime is 26115852839. The reversal of 26115852816 is 61825851162.

The square root of 26115852816 is 161604.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

26115852816 is a `hidden beast` number, since 2 + 6 + 115 + 8 + 528 + 1 + 6 = 666.

It is a Duffinian number.

Its product of digits (230400) is a multiple of the sum of its prime divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 389788815 + ... + 389788881.

Almost surely, 2^26115852816 is an apocalyptic number.

26115852816 is the 161604-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26115852816

26115852816 is an abundant number, since it is smaller than the sum of its proper divisors (50616257375).

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

26115852816 is an frugal number, since it uses more digits than its factorization.

26115852816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 72 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The spelling of 26115852816 in words is "twenty-six billion, one hundred fifteen million, eight hundred fifty-two thousand, eight hundred sixteen".