1515325216255 has 8 divisors (see below), whose sum is σ = 1819021881600. Its totient is φ = 1211839091616.

The previous prime is 1515325216211. The next prime is 1515325216289. The reversal of 1515325216255 is 5526125235151.

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 1515325216255 - 2¹⁵ = 1515325183487 is a prime.

It is a super-2 number, since 2×1515325216255² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 52619340 + ... + 52648129.

It is an arithmetic number, because the mean of its divisors is an integer number (227377735200).

Almost surely, 2^{1515325216255} is an apocalyptic number.

1515325216255 is a deficient number, since it is larger than the sum of its proper divisors (303696665345).

1515325216255 is a wasteful number, since it uses less digits than its factorization.

1515325216255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105270353.

The product of its digits is 450000, while the sum is 43.

The spelling of 1515325216255 in words is "one trillion, five hundred fifteen billion, three hundred twenty-five million, two hundred sixteen thousand, two hundred fifty-five".