255053543615 has 64 divisors (see below), whose sum is σ = 355717619712. Its totient is φ = 174010636800.

The previous prime is 255053543609. The next prime is 255053543621. The reversal of 255053543615 is 516345350552.

It is an interprime number because it is at equal distance from previous prime (255053543609) and next prime (255053543621).

It is not a de Polignac number, because 255053543615 - 2¹⁸ = 255053281471 is a prime.

It is a super-2 number, since 2×255053543615² (a number of 24 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 63 ways as a sum of consecutive naturals, for example, 25345685 + ... + 25355745.

It is an arithmetic number, because the mean of its divisors is an integer number (5558087808).

Almost surely, 2^255053543615 is an apocalyptic number.

255053543615 is a deficient number, since it is larger than the sum of its proper divisors (100664076097).

255053543615 is a wasteful number, since it uses less digits than its factorization.

255053543615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 255053543615 in words is "two hundred fifty-five billion, fifty-three million, five hundred forty-three thousand, six hundred fifteen".