3042156561 has 8 divisors (see below), whose sum is σ = 4150539360. Its totient is φ = 1980939072.

The previous prime is 3042156553. The next prime is 3042156577. The reversal of 3042156561 is 1656512403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3042156561 - 2³ = 3042156553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3042156541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11791176 + ... + 11791433.

It is an arithmetic number, because the mean of its divisors is an integer number (518817420).

Almost surely, 2^3042156561 is an apocalyptic number.

It is an amenable number.

3042156561 is a deficient number, since it is larger than the sum of its proper divisors (1108382799).

3042156561 is a wasteful number, since it uses less digits than its factorization.

3042156561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23582655.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 3042156561 is about 55155.7482135815. The cubic root of 3042156561 is about 1448.9737583485.

Adding to 3042156561 its reverse (1656512403), we get a palindrome (4698668964).

The spelling of 3042156561 in words is "three billion, forty-two million, one hundred fifty-six thousand, five hundred sixty-one".