7825111282 has 4 divisors (see below), whose sum is σ = 11737666926. Its totient is φ = 3912555640.

The previous prime is 7825111253. The next prime is 7825111351. The reversal of 7825111282 is 2821115287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2821115287 = 7207 ⋅391441.

It can be written as a sum of positive squares in only one way, i.e., 5965863121 + 1859248161 = 77239^2 + 43119^2 .

It is a super-2 number, since 2×7825111282² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956277819 + ... + 1956277822.

Almost surely, 2^7825111282 is an apocalyptic number.

7825111282 is a deficient number, since it is larger than the sum of its proper divisors (3912555644).

7825111282 is a wasteful number, since it uses less digits than its factorization.

7825111282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912555643.

The product of its digits is 17920, while the sum is 37.

The square root of 7825111282 is about 88459.6590655876. The cubic root of 7825111282 is about 1985.3184296283.

The spelling of 7825111282 in words is "seven billion, eight hundred twenty-five million, one hundred eleven thousand, two hundred eighty-two".