8266142511 has 24 divisors (see below), whose sum is σ = 13028655744. Its totient is φ = 5008545360.

The previous prime is 8266142497. The next prime is 8266142519. The reversal of 8266142511 is 1152416628.

It is a happy number.

8266142511 is a `hidden beast` number, since 8 + 2 + 6 + 614 + 25 + 11 = 666.

It is not a de Polignac number, because 8266142511 - 2⁶ = 8266142447 is a prime.

It is a super-2 number, since 2×8266142511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8266142519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539620 + ... + 554726.

It is an arithmetic number, because the mean of its divisors is an integer number (542860656).

Almost surely, 2^8266142511 is an apocalyptic number.

8266142511 is a deficient number, since it is larger than the sum of its proper divisors (4762513233).

8266142511 is a wasteful number, since it uses less digits than its factorization.

8266142511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651 (or 20648 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 8266142511 is about 90918.3287956834. The cubic root of 8266142511 is about 2021.9370458552.

The spelling of 8266142511 in words is "eight billion, two hundred sixty-six million, one hundred forty-two thousand, five hundred eleven".