104156536558 has 4 divisors (see below), whose sum is σ = 156234804840. Its totient is φ = 52078268278.

The previous prime is 104156536553. The next prime is 104156536597. The reversal of 104156536558 is 855635651401.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104156536553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26039134138 + ... + 26039134141.

It is an arithmetic number, because the mean of its divisors is an integer number (39058701210).

Almost surely, 2^104156536558 is an apocalyptic number.

104156536558 is a deficient number, since it is larger than the sum of its proper divisors (52078268282).

104156536558 is an equidigital number, since it uses as much as digits as its factorization.

104156536558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52078268281.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 104156536558 in words is "one hundred four billion, one hundred fifty-six million, five hundred thirty-six thousand, five hundred fifty-eight".