6015237142561 has 4 divisors (see below), whose sum is σ = 6053550755092. Its totient is φ = 5976923530032.

The previous prime is 6015237142549. The next prime is 6015237142589. The reversal of 6015237142561 is 1652417325106.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2599833760000 + 3415403382561 = 1612400^2 + 1848081^2 .

It is a cyclic number.

It is not a de Polignac number, because 6015237142561 - 2¹¹ = 6015237140513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6015237142501) 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, 19156806030 + ... + 19156806343.

It is an arithmetic number, because the mean of its divisors is an integer number (1513387688773).

Almost surely, 2^{6015237142561} is an apocalyptic number.

It is an amenable number.

6015237142561 is a deficient number, since it is larger than the sum of its proper divisors (38313612531).

6015237142561 is a wasteful number, since it uses less digits than its factorization.

6015237142561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38313612530.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 6015237142561 in words is "six trillion, fifteen billion, two hundred thirty-seven million, one hundred forty-two thousand, five hundred sixty-one".