1550125042111 has 8 divisors (see below), whose sum is σ = 1616204229120. Its totient is φ = 1484887628448.

The previous prime is 1550125042099. The next prime is 1550125042139. The reversal of 1550125042111 is 1112405210551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1550125042111 - 2¹⁷ = 1550124911039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1550125042111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550125043111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210439576 + ... + 210446941.

It is an arithmetic number, because the mean of its divisors is an integer number (202025528640).

Almost surely, 2^{1550125042111} is an apocalyptic number.

1550125042111 is a deficient number, since it is larger than the sum of its proper divisors (66079187009).

1550125042111 is a wasteful number, since it uses less digits than its factorization.

1550125042111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420886673.

The product of its (nonzero) digits is 2000, while the sum is 28.

The spelling of 1550125042111 in words is "one trillion, five hundred fifty billion, one hundred twenty-five million, forty-two thousand, one hundred eleven".