15242140753181 has 8 divisors (see below), whose sum is σ = 16141490954424. Its totient is φ = 14343096517120.

The previous prime is 15242140753159. The next prime is 15242140753289. The reversal of 15242140753181 is 18135704124251.

It can be written as a sum of positive squares in 4 ways, for example, as 2012116717081 + 13230024036100 = 1418491^2 + 3637310^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15242140753181 is a prime.

It is a super-3 number, since 3×15242140753181³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242140758181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76388720 + ... + 76587993.

It is an arithmetic number, because the mean of its divisors is an integer number (2017686369303).

Almost surely, 2^{15242140753181} is an apocalyptic number.

It is an amenable number.

15242140753181 is a deficient number, since it is larger than the sum of its proper divisors (899350201243).

15242140753181 is a wasteful number, since it uses less digits than its factorization.

15242140753181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152982591.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 15242140753181 in words is "fifteen trillion, two hundred forty-two billion, one hundred forty million, seven hundred fifty-three thousand, one hundred eighty-one".