100155225205 has 8 divisors (see below), whose sum is σ = 137355737472. Its totient is φ = 68677868688.

The previous prime is 100155225199. The next prime is 100155225241. The reversal of 100155225205 is 502522551001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100155225205 - 2¹⁹ = 100154700917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430788897 + ... + 1430788966.

It is an arithmetic number, because the mean of its divisors is an integer number (17169467184).

Almost surely, 2^100155225205 is an apocalyptic number.

It is an amenable number.

100155225205 is a deficient number, since it is larger than the sum of its proper divisors (37200512267).

100155225205 is an equidigital number, since it uses as much as digits as its factorization.

100155225205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861577875.

The product of its (nonzero) digits is 5000, while the sum is 28.

Adding to 100155225205 its reverse (502522551001), we get a palindrome (602677776206).

The spelling of 100155225205 in words is "one hundred billion, one hundred fifty-five million, two hundred twenty-five thousand, two hundred five".