1248217585065 has 48 divisors (see below), whose sum is σ = 2367029246400. Its totient is φ = 603462234240.

The previous prime is 1248217585001. The next prime is 1248217585129. The reversal of 1248217585065 is 5605857128421.

1248217585065 is a `hidden beast` number, since 1 + 2 + 4 + 82 + 1 + 7 + 58 + 506 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1248217585001) and next prime (1248217585129).

It is not a de Polignac number, because 1248217585065 - 2⁶ = 1248217585001 is a prime.

It is a super-2 number, since 2×1248217585065² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3439927 + ... + 3785436.

It is an arithmetic number, because the mean of its divisors is an integer number (49313109300).

Almost surely, 2^{1248217585065} is an apocalyptic number.

1248217585065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248217585065 is a deficient number, since it is larger than the sum of its proper divisors (1118811661335).

1248217585065 is a wasteful number, since it uses less digits than its factorization.

1248217585065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225734 (or 7225731 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 1248217585065 in words is "one trillion, two hundred forty-eight billion, two hundred seventeen million, five hundred eighty-five thousand, sixty-five".