255443023315 has 32 divisors (see below), whose sum is σ = 347827789440. Its totient is φ = 178998994944.

The previous prime is 255443023309. The next prime is 255443023351. The reversal of 255443023315 is 513320344552.

It is a cyclic number.

It is not a de Polignac number, because 255443023315 - 2⁹ = 255443022803 is a prime.

It is a super-2 number, since 2×255443023315² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1693360 + ... + 1838029.

It is an arithmetic number, because the mean of its divisors is an integer number (10869618420).

Almost surely, 2^255443023315 is an apocalyptic number.

255443023315 is a deficient number, since it is larger than the sum of its proper divisors (92384766125).

255443023315 is a wasteful number, since it uses less digits than its factorization.

255443023315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531471.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 255443023315 its reverse (513320344552), we get a palindrome (768763367867).

The spelling of 255443023315 in words is "two hundred fifty-five billion, four hundred forty-three million, twenty-three thousand, three hundred fifteen".