6142521011 has 4 divisors (see below), whose sum is σ = 6700932024. Its totient is φ = 5584110000.

The previous prime is 6142520987. The next prime is 6142521017. The reversal of 6142521011 is 1101252416.

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

It is a cyclic number.

It is not a de Polignac number, because 6142521011 - 2¹⁰ = 6142519987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142521017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279205490 + ... + 279205511.

It is an arithmetic number, because the mean of its divisors is an integer number (1675233006).

Almost surely, 2^6142521011 is an apocalyptic number.

6142521011 is a deficient number, since it is larger than the sum of its proper divisors (558411013).

6142521011 is a wasteful number, since it uses less digits than its factorization.

6142521011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558411012.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 6142521011 is about 78374.2369085658. The cubic root of 6142521011 is about 1831.3958127694.

Adding to 6142521011 its reverse (1101252416), we get a palindrome (7243773427).

The spelling of 6142521011 in words is "six billion, one hundred forty-two million, five hundred twenty-one thousand, eleven".