1551006012 has 48 divisors (see below), whose sum is σ = 3898202112. Its totient is φ = 478568640.

The previous prime is 1551005971. The next prime is 1551006031. The reversal of 1551006012 is 2106001551.

It is a self number, because there is not a number n which added to its sum of digits gives 1551006012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82083 + ... + 99194.

It is an arithmetic number, because the mean of its divisors is an integer number (81212544).

Almost surely, 2^1551006012 is an apocalyptic number.

1551006012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1551006012 is an abundant number, since it is smaller than the sum of its proper divisors (2347196100).

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

1551006012 is a wasteful number, since it uses less digits than its factorization.

1551006012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181338 (or 181336 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1551006012 is about 39382.8136628149. The cubic root of 1551006012 is about 1157.5448499276.

Adding to 1551006012 its reverse (2106001551), we get a palindrome (3657007563).

The spelling of 1551006012 in words is "one billion, five hundred fifty-one million, six thousand, twelve".