101125455215 has 4 divisors (see below), whose sum is σ = 121350546264. Its totient is φ = 80900364168.

The previous prime is 101125455203. The next prime is 101125455241. The reversal of 101125455215 is 512554521101.

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

It is a cyclic number.

It is not a de Polignac number, because 101125455215 - 2²⁰ = 101124406639 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 3 ways as a sum of consecutive naturals, for example, 10112545517 + ... + 10112545526.

It is an arithmetic number, because the mean of its divisors is an integer number (30337636566).

Almost surely, 2^101125455215 is an apocalyptic number.

101125455215 is a deficient number, since it is larger than the sum of its proper divisors (20225091049).

101125455215 is an equidigital number, since it uses as much as digits as its factorization.

101125455215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225091048.

The product of its (nonzero) digits is 10000, while the sum is 32.

Adding to 101125455215 its reverse (512554521101), we get a palindrome (613679976316).

The spelling of 101125455215 in words is "one hundred one billion, one hundred twenty-five million, four hundred fifty-five thousand, two hundred fifteen".