1255202522144 has 24 divisors (see below), whose sum is σ = 2495647100268. Its totient is φ = 621387385600.

The previous prime is 1255202522131. The next prime is 1255202522153. The reversal of 1255202522144 is 4412252025521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1255161715600 + 40806544 = 1120340^2 + 6388^2 .

It is a super-3 number, since 3×1255202522144³ (a number of 37 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 194180327 + ... + 194186790.

Almost surely, 2^{1255202522144} is an apocalyptic number.

It is an amenable number.

1255202522144 is a deficient number, since it is larger than the sum of its proper divisors (1240444578124).

1255202522144 is a wasteful number, since it uses less digits than its factorization.

1255202522144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388367228 (or 388367220 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 1255202522144 its reverse (4412252025521), we get a palindrome (5667454547665).

The spelling of 1255202522144 in words is "one trillion, two hundred fifty-five billion, two hundred two million, five hundred twenty-two thousand, one hundred forty-four".