101155255 has 8 divisors (see below), whose sum is σ = 121755024. Its totient is φ = 80678400.

The previous prime is 101155247. The next prime is 101155291. The reversal of 101155255 is 552551101.

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

It is not a de Polignac number, because 101155255 - 2³ = 101155247 is a prime.

It is a super-2 number, since 2×101155255² = 20464771228230050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28906 + ... + 32215.

It is an arithmetic number, because the mean of its divisors is an integer number (15219378).

Almost surely, 2^101155255 is an apocalyptic number.

101155255 is a deficient number, since it is larger than the sum of its proper divisors (20599769).

101155255 is an equidigital number, since it uses as much as digits as its factorization.

101155255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61457.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 101155255 is about 10057.5968799709. The cubic root of 101155255 is about 465.9394504025.

The spelling of 101155255 in words is "one hundred one million, one hundred fifty-five thousand, two hundred fifty-five".