1551488856112 has 80 divisors (see below), whose sum is σ = 3373316281440. Its totient is φ = 686332717056.

The previous prime is 1551488856077. The next prime is 1551488856119. The reversal of 1551488856112 is 2116588841551.

It is not an unprimeable number, because it can be changed into a prime (1551488856119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112338 + ... + 1765105.

It is an arithmetic number, because the mean of its divisors is an integer number (42166453518).

Almost surely, 2^{1551488856112} is an apocalyptic number.

It is an amenable number.

1551488856112 is an abundant number, since it is smaller than the sum of its proper divisors (1821827425328).

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

1551488856112 is a wasteful number, since it uses less digits than its factorization.

1551488856112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877630 (or 1877624 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 55.

The spelling of 1551488856112 in words is "one trillion, five hundred fifty-one billion, four hundred eighty-eight million, eight hundred fifty-six thousand, one hundred twelve".