255121213215032 has 8 divisors (see below), whose sum is σ = 478352274778200. Its totient is φ = 127560606607512.

The previous prime is 255121213214999. The next prime is 255121213215049. The reversal of 255121213215032 is 230512312121552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×255121213215032² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255121213214983 and 255121213215001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15945075825932 + ... + 15945075825947.

It is an arithmetic number, because the mean of its divisors is an integer number (59794034347275).

Almost surely, 2^{255121213215032} is an apocalyptic number.

It is an amenable number.

255121213215032 is a deficient number, since it is larger than the sum of its proper divisors (223231061563168).

255121213215032 is a wasteful number, since it uses less digits than its factorization.

255121213215032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31890151651885 (or 31890151651881 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 255121213215032 its reverse (230512312121552), we get a palindrome (485633525336584).

The spelling of 255121213215032 in words is "two hundred fifty-five trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred fifteen thousand, thirty-two".