12550555200540 has 48 divisors (see below), whose sum is σ = 40161776643072. Its totient is φ = 2868698331456.

The previous prime is 12550555200523. The next prime is 12550555200583. The reversal of 12550555200540 is 4500255505521.

It is a congruent 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, 14941136724 + ... + 14941137563.

It is an arithmetic number, because the mean of its divisors is an integer number (836703680064).

Almost surely, 2^{12550555200540} is an apocalyptic number.

12550555200540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12550555200540 is an abundant number, since it is smaller than the sum of its proper divisors (27611221442532).

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

12550555200540 is a wasteful number, since it uses less digits than its factorization.

12550555200540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29882274306 (or 29882274304 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 12550555200540 in words is "twelve trillion, five hundred fifty billion, five hundred fifty-five million, two hundred thousand, five hundred forty".