245215551122 has 16 divisors (see below), whose sum is σ = 392083497600. Its totient is φ = 114684420240.

The previous prime is 245215551109. The next prime is 245215551127. The reversal of 245215551122 is 221155512542.

It is not an unprimeable number, because it can be changed into a prime (245215551127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40839029 + ... + 40845032.

It is an arithmetic number, because the mean of its divisors is an integer number (24505218600).

Almost surely, 2^245215551122 is an apocalyptic number.

245215551122 is a deficient number, since it is larger than the sum of its proper divisors (146867946478).

245215551122 is a wasteful number, since it uses less digits than its factorization.

245215551122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81684161.

The product of its digits is 40000, while the sum is 35.

The spelling of 245215551122 in words is "two hundred forty-five billion, two hundred fifteen million, five hundred fifty-one thousand, one hundred twenty-two".