101427912778516 has 48 divisors (see below), whose sum is σ = 179542149212160. Its totient is φ = 50133065270400.

The previous prime is 101427912778513. The next prime is 101427912778523. The reversal of 101427912778516 is 615877219724101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101427912778513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3661511466 + ... + 3661539166.

It is an arithmetic number, because the mean of its divisors is an integer number (3740461441920).

Almost surely, 2^{101427912778516} is an apocalyptic number.

It is an amenable number.

101427912778516 is a deficient number, since it is larger than the sum of its proper divisors (78114236433644).

101427912778516 is a wasteful number, since it uses less digits than its factorization.

101427912778516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53584 (or 53582 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 61.

The spelling of 101427912778516 in words is "one hundred one trillion, four hundred twenty-seven billion, nine hundred twelve million, seven hundred seventy-eight thousand, five hundred sixteen".