104040043122550 has 24 divisors (see below), whose sum is σ = 195509474858376. Its totient is φ = 41186986141440.

The previous prime is 104040043122469. The next prime is 104040043122563. The reversal of 104040043122550 is 55221340040401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10725772792 + ... + 10725782491.

It is an arithmetic number, because the mean of its divisors is an integer number (8146228119099).

Almost surely, 2^{104040043122550} is an apocalyptic number.

104040043122550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104040043122550 is a deficient number, since it is larger than the sum of its proper divisors (91469431735826).

104040043122550 is a wasteful number, since it uses less digits than its factorization.

104040043122550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451555392 (or 21451555387 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 104040043122550 its reverse (55221340040401), we get a palindrome (159261383162951).

The spelling of 104040043122550 in words is "one hundred four trillion, forty billion, forty-three million, one hundred twenty-two thousand, five hundred fifty".