1255530541530 has 64 divisors (see below), whose sum is σ = 3073605004800. Its totient is φ = 328138916160.

The previous prime is 1255530541501. The next prime is 1255530541537. The reversal of 1255530541530 is 351450355521.

It is not an unprimeable number, because it can be changed into a prime (1255530541537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485640 + ... + 1657379.

It is an arithmetic number, because the mean of its divisors is an integer number (48025078200).

Almost surely, 2^{1255530541530} is an apocalyptic number.

1255530541530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255530541530 is an abundant number, since it is smaller than the sum of its proper divisors (1818074463270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255530541530 is a wasteful number, since it uses less digits than its factorization.

1255530541530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143419.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 1255530541530 in words is "one trillion, two hundred fifty-five billion, five hundred thirty million, five hundred forty-one thousand, five hundred thirty".