2585323115236 has 135 divisors (see below), whose sum is σ = 5112132259577. Its totient is φ = 1143791475840.

The previous prime is 2585323115213. The next prime is 2585323115371. The reversal of 2585323115236 is 6325113235852.

The square root of 2585323115236 is 1607894.

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

It can be written as a sum of positive squares in only one way, i.e., 2012794812900 + 572528302336 = 1418730^2 + 756656^2 .

It is a super-2 number, since 2×2585323115236² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 19735290891 + ... + 19735291021.

Almost surely, 2^{2585323115236} is an apocalyptic number.

2585323115236 is the 1607894-th square number.

It is an amenable number.

2585323115236 is a deficient number, since it is larger than the sum of its proper divisors (2526809144341).

2585323115236 is an frugal number, since it uses more digits than its factorization.

2585323115236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 169 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The spelling of 2585323115236 in words is "two trillion, five hundred eighty-five billion, three hundred twenty-three million, one hundred fifteen thousand, two hundred thirty-six".