842155686551248 has 40 divisors (see below), whose sum is σ = 1645004964256416. Its totient is φ = 417651898473600.

The previous prime is 842155686551173. The next prime is 842155686551303.

842155686551248 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×842155686551248² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424699738 + ... + 426678073.

Almost surely, 2^{842155686551248} is an apocalyptic number.

It is an amenable number.

842155686551248 is a deficient number, since it is larger than the sum of its proper divisors (802849277705168).

842155686551248 is a wasteful number, since it uses less digits than its factorization.

842155686551248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851378323 (or 851378317 counting only the distinct ones).

The product of its digits is 737280000, while the sum is 70.

The spelling of 842155686551248 in words is "eight hundred forty-two trillion, one hundred fifty-five billion, six hundred eighty-six million, five hundred fifty-one thousand, two hundred forty-eight".