5121281651552 has 48 divisors (see below), whose sum is σ = 11646123127632. Its totient is φ = 2190922629120.

The previous prime is 5121281651543. The next prime is 5121281651573. The reversal of 5121281651552 is 2551561821215.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 7 ways as a sum of consecutive naturals, for example, 427908593 + ... + 427920560.

It is an arithmetic number, because the mean of its divisors is an integer number (242627565159).

Almost surely, 2^{5121281651552} is an apocalyptic number.

It is an amenable number.

5121281651552 is an abundant number, since it is smaller than the sum of its proper divisors (6524841476080).

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

5121281651552 is a wasteful number, since it uses less digits than its factorization.

5121281651552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855829191 (or 855829183 counting only the distinct ones).

The product of its digits is 240000, while the sum is 44.

The spelling of 5121281651552 in words is "five trillion, one hundred twenty-one billion, two hundred eighty-one million, six hundred fifty-one thousand, five hundred fifty-two".