1084918004451 has 8 divisors (see below), whose sum is σ = 1607285932560. Its totient is φ = 723278669616.

The previous prime is 1084918004449. The next prime is 1084918004491. The reversal of 1084918004451 is 1544008194801.

1084918004451 is a `hidden beast` number, since 10 + 8 + 4 + 9 + 180 + 0 + 4 + 451 = 666.

It is not a de Polignac number, because 1084918004451 - 2¹ = 1084918004449 is a prime.

It is a super-2 number, since 2×1084918004451² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1084918004397 and 1084918004406.

It is not an unprimeable number, because it can be changed into a prime (1084918004491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20091074130 + ... + 20091074183.

It is an arithmetic number, because the mean of its divisors is an integer number (200910741570).

Almost surely, 2^{1084918004451} is an apocalyptic number.

1084918004451 is a deficient number, since it is larger than the sum of its proper divisors (522367928109).

1084918004451 is an equidigital number, since it uses as much as digits as its factorization.

1084918004451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40182148322 (or 40182148316 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 1084918004451 in words is "one trillion, eighty-four billion, nine hundred eighteen million, four thousand, four hundred fifty-one".