1255301540540 has 24 divisors (see below), whose sum is σ = 2637197583552. Its totient is φ = 501917883200.

The previous prime is 1255301540431. The next prime is 1255301540587. The reversal of 1255301540540 is 450451035521.

It is a self number, because there is not a number n which added to its sum of digits gives 1255301540540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12620036 + ... + 12719115.

It is an arithmetic number, because the mean of its divisors is an integer number (109883232648).

Almost surely, 2^{1255301540540} is an apocalyptic number.

1255301540540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255301540540 is an abundant number, since it is smaller than the sum of its proper divisors (1381896043012).

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

1255301540540 is a wasteful number, since it uses less digits than its factorization.

1255301540540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25341637 (or 25341635 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1255301540540 in words is "one trillion, two hundred fifty-five billion, three hundred one million, five hundred forty thousand, five hundred forty".