255332311015401 has 12 divisors (see below), whose sum is σ = 368828197379460. Its totient is φ = 170214682563360.

The previous prime is 255332311015387. The next prime is 255332311015417. The reversal of 255332311015401 is 104510113233552.

It is a happy number.

255332311015401 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 3 + 2 + 3 + 1 + 101 + 540 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 167664688131600 + 87667622883801 = 12948540^2 + 9363099^2 .

It is not a de Polignac number, because 255332311015401 - 2¹⁰ = 255332311014377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255332311014401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571273666 + ... + 571720443.

It is an arithmetic number, because the mean of its divisors is an integer number (30735683114955).

Almost surely, 2^{255332311015401} is an apocalyptic number.

It is an amenable number.

255332311015401 is a deficient number, since it is larger than the sum of its proper divisors (113495886364059).

255332311015401 is a wasteful number, since it uses less digits than its factorization.

255332311015401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143018936 (or 1143018933 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 255332311015401 its reverse (104510113233552), we get a palindrome (359842424248953).

The spelling of 255332311015401 in words is "two hundred fifty-five trillion, three hundred thirty-two billion, three hundred eleven million, fifteen thousand, four hundred one".