104921458551 has 96 divisors (see below), whose sum is σ = 207894435840. Its totient is φ = 49346122752.

The previous prime is 104921458531. The next prime is 104921458567. The reversal of 104921458551 is 155854129401.

104921458551 is a `hidden beast` number, since 1 + 0 + 4 + 9 + 2 + 14 + 585 + 51 = 666.

It is not a de Polignac number, because 104921458551 - 2⁵ = 104921458519 is a prime.

It is a super-2 number, since 2×104921458551² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104921458497 and 104921458506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104921458501) 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 95 ways as a sum of consecutive naturals, for example, 66226 + ... + 462848.

It is an arithmetic number, because the mean of its divisors is an integer number (2165567040).

Almost surely, 2^104921458551 is an apocalyptic number.

104921458551 is a deficient number, since it is larger than the sum of its proper divisors (102972977289).

104921458551 is a wasteful number, since it uses less digits than its factorization.

104921458551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396685 (or 396682 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 104921458551 in words is "one hundred four billion, nine hundred twenty-one million, four hundred fifty-eight thousand, five hundred fifty-one".