8121258411 has 32 divisors (see below), whose sum is σ = 13175705088. Its totient is φ = 4343569920.

The previous prime is 8121258349. The next prime is 8121258443. The reversal of 8121258411 is 1148521218.

It is not a de Polignac number, because 8121258411 - 2⁹ = 8121257899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8121258011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776 + ... + 127458.

It is an arithmetic number, because the mean of its divisors is an integer number (411740784).

Almost surely, 2^8121258411 is an apocalyptic number.

8121258411 is a deficient number, since it is larger than the sum of its proper divisors (5054446677).

8121258411 is a wasteful number, since it uses less digits than its factorization.

8121258411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125891.

The product of its digits is 5120, while the sum is 33.

The square root of 8121258411 is about 90118.0248951340. The cubic root of 8121258411 is about 2010.0542390255.

Adding to 8121258411 its reverse (1148521218), we get a palindrome (9269779629).

The spelling of 8121258411 in words is "eight billion, one hundred twenty-one million, two hundred fifty-eight thousand, four hundred eleven".