104621052051555 has 48 divisors (see below), whose sum is σ = 181278495611136. Its totient is φ = 51500668053120.

The previous prime is 104621052051517. The next prime is 104621052051577. The reversal of 104621052051555 is 555150250126401.

It is a happy number.

It is not a de Polignac number, because 104621052051555 - 2⁶ = 104621052051491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23732770 + ... + 27793640.

It is an arithmetic number, because the mean of its divisors is an integer number (3776635325232).

Almost surely, 2^{104621052051555} is an apocalyptic number.

104621052051555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104621052051555 is a deficient number, since it is larger than the sum of its proper divisors (76657443559581).

104621052051555 is a wasteful number, since it uses less digits than its factorization.

104621052051555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071068 (or 4071055 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 104621052051555 in words is "one hundred four trillion, six hundred twenty-one billion, fifty-two million, fifty-one thousand, five hundred fifty-five".