1530112111444 has 24 divisors (see below), whose sum is σ = 3061094543360. Its totient is φ = 655575836256.

The previous prime is 1530112111373. The next prime is 1530112111453. The reversal of 1530112111444 is 4441112110351.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7670484 + ... + 7867435.

Almost surely, 2^{1530112111444} is an apocalyptic number.

1530112111444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1530112111444 is an abundant number, since it is smaller than the sum of its proper divisors (1530982431916).

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

1530112111444 is a wasteful number, since it uses less digits than its factorization.

1530112111444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15541447 (or 15541445 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 1530112111444 its reverse (4441112110351), we get a palindrome (5971224221795).

The spelling of 1530112111444 in words is "one trillion, five hundred thirty billion, one hundred twelve million, one hundred eleven thousand, four hundred forty-four".