15060142081 has 4 divisors (see below), whose sum is σ = 15092810964. Its totient is φ = 15027473200.

The previous prime is 15060142021. The next prime is 15060142103. The reversal of 15060142081 is 18024106051.

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 11280351681 + 3779790400 = 106209^2 + 61480^2 .

It is a cyclic number.

It is not a de Polignac number, because 15060142081 - 2¹¹ = 15060140033 is a prime.

It is a super-2 number, since 2×15060142081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15060142021) 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, 16333750 + ... + 16334671.

It is an arithmetic number, because the mean of its divisors is an integer number (3773202741).

Almost surely, 2^15060142081 is an apocalyptic number.

It is an amenable number.

15060142081 is a deficient number, since it is larger than the sum of its proper divisors (32668883).

15060142081 is an equidigital number, since it uses as much as digits as its factorization.

15060142081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32668882.

The product of its (nonzero) digits is 1920, while the sum is 28.

The spelling of 15060142081 in words is "fifteen billion, sixty million, one hundred forty-two thousand, eighty-one".