1500011106012 has 144 divisors (see below), whose sum is σ = 4137872094720. Its totient is φ = 456565766400.

The previous prime is 1500011106007. The next prime is 1500011106043. The reversal of 1500011106012 is 2106011100051.

It is a happy number.

1500011106012 is a `hidden beast` number, since 1 + 50 + 0 + 0 + 1 + 1 + 10 + 601 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2005437 + ... + 2649867.

It is an arithmetic number, because the mean of its divisors is an integer number (28735222880).

Almost surely, 2^{1500011106012} is an apocalyptic number.

1500011106012 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 1500011106012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068936047360).

1500011106012 is an abundant number, since it is smaller than the sum of its proper divisors (2637860988708).

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

1500011106012 is a wasteful number, since it uses less digits than its factorization.

1500011106012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644584 (or 644579 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 1500011106012 its reverse (2106011100051), we get a palindrome (3606022206063).

The spelling of 1500011106012 in words is "one trillion, five hundred billion, eleven million, one hundred six thousand, twelve".