1545264212550 has 48 divisors (see below), whose sum is σ = 3839874232320. Its totient is φ = 411251211040.

The previous prime is 1545264212549. The next prime is 1545264212561. The reversal of 1545264212550 is 552124625451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10164870 + ... + 10315769.

It is an arithmetic number, because the mean of its divisors is an integer number (79997379840).

Almost surely, 2^{1545264212550} is an apocalyptic number.

1545264212550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1545264212550 is an abundant number, since it is smaller than the sum of its proper divisors (2294610019770).

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

1545264212550 is a wasteful number, since it uses less digits than its factorization.

1545264212550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481157 (or 20481152 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 1545264212550 in words is "one trillion, five hundred forty-five billion, two hundred sixty-four million, two hundred twelve thousand, five hundred fifty".