6142152561 has 16 divisors (see below), whose sum is σ = 8308500480. Its totient is φ = 4035337040.

The previous prime is 6142152539. The next prime is 6142152613. The reversal of 6142152561 is 1652512416.

It is a cyclic number.

It is not a de Polignac number, because 6142152561 - 2⁵ = 6142152529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6142152361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639130 + ... + 648668.

It is an arithmetic number, because the mean of its divisors is an integer number (519281280).

Almost surely, 2^6142152561 is an apocalyptic number.

It is an amenable number.

6142152561 is a deficient number, since it is larger than the sum of its proper divisors (2166347919).

6142152561 is a wasteful number, since it uses less digits than its factorization.

6142152561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636.

The product of its digits is 14400, while the sum is 33.

The square root of 6142152561 is about 78371.8862922158. The cubic root of 6142152561 is about 1831.3591941846.

Adding to 6142152561 its reverse (1652512416), we get a palindrome (7794664977).

The spelling of 6142152561 in words is "six billion, one hundred forty-two million, one hundred fifty-two thousand, five hundred sixty-one".