255332311015415 has 4 divisors (see below), whose sum is σ = 306398773218504. Its totient is φ = 204265848812328.

The previous prime is 255332311015387. The next prime is 255332311015417. The reversal of 255332311015415 is 514510113233552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255332311015415 - 2¹⁶ = 255332310949879 is a prime.

It is a super-2 number, since 2×255332311015415² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255332311015417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25533231101537 + ... + 25533231101546.

It is an arithmetic number, because the mean of its divisors is an integer number (76599693304626).

Almost surely, 2^{255332311015415} is an apocalyptic number.

255332311015415 is a deficient number, since it is larger than the sum of its proper divisors (51066462203089).

255332311015415 is an equidigital number, since it uses as much as digits as its factorization.

255332311015415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51066462203088.

The product of its (nonzero) digits is 270000, while the sum is 41.

Adding to 255332311015415 its reverse (514510113233552), we get a palindrome (769842424248967).

The spelling of 255332311015415 in words is "two hundred fifty-five trillion, three hundred thirty-two billion, three hundred eleven million, fifteen thousand, four hundred fifteen".