1255075575530 has 32 divisors (see below), whose sum is σ = 2587697967744. Its totient is φ = 429340257216.

The previous prime is 1255075575517. The next prime is 1255075575553. The reversal of 1255075575530 is 355755705521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20205617 + ... + 20267636.

It is an arithmetic number, because the mean of its divisors is an integer number (80865561492).

Almost surely, 2^{1255075575530} is an apocalyptic number.

1255075575530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255075575530 is an abundant number, since it is smaller than the sum of its proper divisors (1332622392214).

1255075575530 is a wasteful number, since it uses less digits than its factorization.

1255075575530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40473710.

The product of its (nonzero) digits is 4593750, while the sum is 50.

The spelling of 1255075575530 in words is "one trillion, two hundred fifty-five billion, seventy-five million, five hundred seventy-five thousand, five hundred thirty".