2564150564895 has 16 divisors (see below), whose sum is σ = 4102811737440. Its totient is φ = 1367490023424.

The previous prime is 2564150564879. The next prime is 2564150564993. The reversal of 2564150564895 is 5984650514652.

It is not a de Polignac number, because 2564150564895 - 2⁴ = 2564150564879 is a prime.

It is a super-2 number, since 2×2564150564895² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185530 + ... + 3908439.

It is an arithmetic number, because the mean of its divisors is an integer number (256425733590).

Almost surely, 2^{2564150564895} is an apocalyptic number.

2564150564895 is a deficient number, since it is larger than the sum of its proper divisors (1538661172545).

2564150564895 is a wasteful number, since it uses less digits than its factorization.

2564150564895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118074.

The product of its (nonzero) digits is 51840000, while the sum is 60.

The spelling of 2564150564895 in words is "two trillion, five hundred sixty-four billion, one hundred fifty million, five hundred sixty-four thousand, eight hundred ninety-five".