1515135133241 has 4 divisors (see below), whose sum is σ = 1604260729332. Its totient is φ = 1426009537152.

The previous prime is 1515135133231. The next prime is 1515135133247. The reversal of 1515135133241 is 1423315315151.

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 1316021952400 + 199113180841 = 1147180^2 + 446221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1515135133241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1515135133247) 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, 44562798020 + ... + 44562798053.

It is an arithmetic number, because the mean of its divisors is an integer number (401065182333).

Almost surely, 2^{1515135133241} is an apocalyptic number.

It is an amenable number.

1515135133241 is a deficient number, since it is larger than the sum of its proper divisors (89125596091).

1515135133241 is an equidigital number, since it uses as much as digits as its factorization.

1515135133241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89125596090.

The product of its digits is 27000, while the sum is 35.

The spelling of 1515135133241 in words is "one trillion, five hundred fifteen billion, one hundred thirty-five million, one hundred thirty-three thousand, two hundred forty-one".