2151254323315 has 8 divisors (see below), whose sum is σ = 2590824702960. Its totient is φ = 1714790448672.

The previous prime is 2151254323243. The next prime is 2151254323429. The reversal of 2151254323315 is 5133234521512.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2151254323315 - 2¹³ = 2151254315123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776624725 + ... + 776627494.

It is an arithmetic number, because the mean of its divisors is an integer number (323853087870).

Almost surely, 2^{2151254323315} is an apocalyptic number.

2151254323315 is a deficient number, since it is larger than the sum of its proper divisors (439570379645).

2151254323315 is a wasteful number, since it uses less digits than its factorization.

2151254323315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553252501.

The product of its digits is 108000, while the sum is 37.

Adding to 2151254323315 its reverse (5133234521512), we get a palindrome (7284488844827).

The spelling of 2151254323315 in words is "two trillion, one hundred fifty-one billion, two hundred fifty-four million, three hundred twenty-three thousand, three hundred fifteen".