1551600115712 has 56 divisors (see below), whose sum is σ = 3105127527096. Its totient is φ = 775270858752.

The previous prime is 1551600115669. The next prime is 1551600115717. The reversal of 1551600115712 is 2175110061551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551600115717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12084878 + ... + 12212594.

It is an arithmetic number, because the mean of its divisors is an integer number (55448705841).

Almost surely, 2^{1551600115712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551600115712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552563763548).

1551600115712 is an abundant number, since it is smaller than the sum of its proper divisors (1553527411384).

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

1551600115712 is an equidigital number, since it uses as much as digits as its factorization.

1551600115712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129226 (or 129202 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 35.

The spelling of 1551600115712 in words is "one trillion, five hundred fifty-one billion, six hundred million, one hundred fifteen thousand, seven hundred twelve".