1550530052112 has 80 divisors (see below), whose sum is σ = 4218474176960. Its totient is φ = 489394814976.

The previous prime is 1550530052111. The next prime is 1550530052117. The reversal of 1550530052112 is 2112500350551.

It is a self number, because there is not a number n which added to its sum of digits gives 1550530052112.

It is not an unprimeable number, because it can be changed into a prime (1550530052111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391088 + ... + 2244144.

It is an arithmetic number, because the mean of its divisors is an integer number (52730927212).

Almost surely, 2^{1550530052112} is an apocalyptic number.

1550530052112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550530052112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109237088480).

1550530052112 is an abundant number, since it is smaller than the sum of its proper divisors (2667944124848).

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

1550530052112 is a wasteful number, since it uses less digits than its factorization.

1550530052112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855080 (or 855074 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 1550530052112 in words is "one trillion, five hundred fifty billion, five hundred thirty million, fifty-two thousand, one hundred twelve".