255021502233115 has 16 divisors (see below), whose sum is σ = 306882011093760. Its totient is φ = 203446410138720.

The previous prime is 255021502233103. The next prime is 255021502233119. The reversal of 255021502233115 is 511332205120552.

It is not a de Polignac number, because 255021502233115 - 2⁹ = 255021502232603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255021502233119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152870860 + ... + 154530070.

It is an arithmetic number, because the mean of its divisors is an integer number (19180125693360).

Almost surely, 2^{255021502233115} is an apocalyptic number.

255021502233115 is a deficient number, since it is larger than the sum of its proper divisors (51860508860645).

255021502233115 is a wasteful number, since it uses less digits than its factorization.

255021502233115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745202.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 255021502233115 its reverse (511332205120552), we get a palindrome (766353707353667).

The spelling of 255021502233115 in words is "two hundred fifty-five trillion, twenty-one billion, five hundred two million, two hundred thirty-three thousand, one hundred fifteen".