1615143741241 has 4 divisors (see below), whose sum is σ = 1615147615972. Its totient is φ = 1615139866512.

The previous prime is 1615143741227. The next prime is 1615143741247. The reversal of 1615143741241 is 1421473415161.

It is a happy number.

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 300002675625 + 1315141065616 = 547725^2 + 1146796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1615143741241 - 2¹¹ = 1615143739193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1615143741194 and 1615143741203.

It is not an unprimeable number, because it can be changed into a prime (1615143741247) 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 3 ways as a sum of consecutive naturals, for example, 1224726 + ... + 2174911.

It is an arithmetic number, because the mean of its divisors is an integer number (403786903993).

Almost surely, 2^{1615143741241} is an apocalyptic number.

It is an amenable number.

1615143741241 is a deficient number, since it is larger than the sum of its proper divisors (3874731).

1615143741241 is an equidigital number, since it uses as much as digits as its factorization.

1615143741241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874730.

The product of its digits is 80640, while the sum is 40.

The spelling of 1615143741241 in words is "one trillion, six hundred fifteen billion, one hundred forty-three million, seven hundred forty-one thousand, two hundred forty-one".