8404116451551 has 24 divisors (see below), whose sum is σ = 12558316595760. Its totient is φ = 5409356064000.

The previous prime is 8404116451547. The next prime is 8404116451553. The reversal of 8404116451551 is 1551546114048.

8404116451551 is a `hidden beast` number, since 8 + 4 + 0 + 41 + 1 + 6 + 4 + 51 + 551 = 666.

It is not a de Polignac number, because 8404116451551 - 2² = 8404116451547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8404116451497 and 8404116451506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8404116451553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7070116 + ... + 8172806.

It is an arithmetic number, because the mean of its divisors is an integer number (523263191490).

Almost surely, 2^{8404116451551} is an apocalyptic number.

8404116451551 is a deficient number, since it is larger than the sum of its proper divisors (4154200144209).

8404116451551 is a wasteful number, since it uses less digits than its factorization.

8404116451551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131927 (or 1131924 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 8404116451551 in words is "eight trillion, four hundred four billion, one hundred sixteen million, four hundred fifty-one thousand, five hundred fifty-one".