255515200401 has 8 divisors (see below), whose sum is σ = 347114989440. Its totient is φ = 167129439152.

The previous prime is 255515200393. The next prime is 255515200411. The reversal of 255515200401 is 104002515552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255515200401 - 2³ = 255515200393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255515200411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803506761 + ... + 803507078.

It is an arithmetic number, because the mean of its divisors is an integer number (43389373680).

Almost surely, 2^255515200401 is an apocalyptic number.

It is an amenable number.

255515200401 is a deficient number, since it is larger than the sum of its proper divisors (91599789039).

255515200401 is a wasteful number, since it uses less digits than its factorization.

255515200401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607013895.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 255515200401 its reverse (104002515552), we get a palindrome (359517715953).

The spelling of 255515200401 in words is "two hundred fifty-five billion, five hundred fifteen million, two hundred thousand, four hundred one".