2151242043315 has 16 divisors (see below), whose sum is σ = 3473565136800. Its totient is φ = 1136803133952.

The previous prime is 2151242043299. The next prime is 2151242043337. The reversal of 2151242043315 is 5133402421512.

It is not a de Polignac number, because 2151242043315 - 2⁴ = 2151242043299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657870550 + ... + 657873819.

It is an arithmetic number, because the mean of its divisors is an integer number (217097821050).

Almost surely, 2^{2151242043315} is an apocalyptic number.

2151242043315 is a deficient number, since it is larger than the sum of its proper divisors (1322323093485).

2151242043315 is a wasteful number, since it uses less digits than its factorization.

2151242043315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315744486.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 2151242043315 its reverse (5133402421512), we get a palindrome (7284644464827).

The spelling of 2151242043315 in words is "two trillion, one hundred fifty-one billion, two hundred forty-two million, forty-three thousand, three hundred fifteen".