104215135100 has 72 divisors (see below), whose sum is σ = 231137081280. Its totient is φ = 40767569920.

The previous prime is 104215135097. The next prime is 104215135103. The reversal of 104215135100 is 1531512401.

It is an interprime number because it is at equal distance from previous prime (104215135097) and next prime (104215135103).

It is a super-2 number, since 2×104215135100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104215135103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6614432 + ... + 6630168.

It is an arithmetic number, because the mean of its divisors is an integer number (3210237240).

Almost surely, 2^104215135100 is an apocalyptic number.

104215135100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104215135100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115568540640).

104215135100 is an abundant number, since it is smaller than the sum of its proper divisors (126921946180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104215135100 is a wasteful number, since it uses less digits than its factorization.

104215135100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17207 (or 17200 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 104215135100 its reverse (1531512401), we get a palindrome (105746647501).

The spelling of 104215135100 in words is "one hundred four billion, two hundred fifteen million, one hundred thirty-five thousand, one hundred".