51102454456066 has 12 divisors (see below), whose sum is σ = 83003690818242. Its totient is φ = 23585748210336.

The previous prime is 51102454456051. The next prime is 51102454456127. The reversal of 51102454456066 is 66065445420115.

It can be written as a sum of positive squares in 3 ways, for example, as 30332787565441 + 20769666890625 = 5507521^2 + 4557375^2 .

It is a super-2 number, since 2×51102454456066² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75595346491 + ... + 75595347166.

Almost surely, 2^{51102454456066} is an apocalyptic number.

51102454456066 is a deficient number, since it is larger than the sum of its proper divisors (31901236362176).

51102454456066 is a wasteful number, since it uses less digits than its factorization.

51102454456066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151190693685 (or 151190693672 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 51102454456066 in words is "fifty-one trillion, one hundred two billion, four hundred fifty-four million, four hundred fifty-six thousand, sixty-six".