4051551427678 has 4 divisors (see below), whose sum is σ = 6077327141520. Its totient is φ = 2025775713838.

The previous prime is 4051551427667. The next prime is 4051551427691. The reversal of 4051551427678 is 8767241551504.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4051551427678² (a number of 26 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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012887856918 + ... + 1012887856921.

It is an arithmetic number, because the mean of its divisors is an integer number (1519331785380).

Almost surely, 2^{4051551427678} is an apocalyptic number.

4051551427678 is a deficient number, since it is larger than the sum of its proper divisors (2025775713842).

4051551427678 is a wasteful number, since it uses less digits than its factorization.

4051551427678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025775713841.

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 4051551427678 in words is "four trillion, fifty-one billion, five hundred fifty-one million, four hundred twenty-seven thousand, six hundred seventy-eight".