7825011010585 has 4 divisors (see below), whose sum is σ = 9390013212708. Its totient is φ = 6260008808464.

The previous prime is 7825011010507. The next prime is 7825011010591. The reversal of 7825011010585 is 5850101105287.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5768508739984 + 2056502270601 = 2401772^2 + 1434051^2 .

It is a cyclic number.

It is not a de Polignac number, because 7825011010585 - 2¹⁹ = 7825010486297 is a prime.

It is a super-2 number, since 2×7825011010585² (a number of 27 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 3 ways as a sum of consecutive naturals, for example, 782501101054 + ... + 782501101063.

It is an arithmetic number, because the mean of its divisors is an integer number (2347503303177).

Almost surely, 2^{7825011010585} is an apocalyptic number.

It is an amenable number.

7825011010585 is a deficient number, since it is larger than the sum of its proper divisors (1565002202123).

7825011010585 is a wasteful number, since it uses less digits than its factorization.

7825011010585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565002202122.

The product of its (nonzero) digits is 112000, while the sum is 43.

The spelling of 7825011010585 in words is "seven trillion, eight hundred twenty-five billion, eleven million, ten thousand, five hundred eighty-five".