215151041245 has 16 divisors (see below), whose sum is σ = 295461446400. Its totient is φ = 147333561984.

The previous prime is 215151041243. The next prime is 215151041269. The reversal of 215151041245 is 542140151512.

It is not a de Polignac number, because 215151041245 - 2¹ = 215151041243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215151041243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4110720 + ... + 4162729.

It is an arithmetic number, because the mean of its divisors is an integer number (18466340400).

Almost surely, 2^215151041245 is an apocalyptic number.

It is an amenable number.

215151041245 is a deficient number, since it is larger than the sum of its proper divisors (80310405155).

215151041245 is an equidigital number, since it uses as much as digits as its factorization.

215151041245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274204.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 215151041245 its reverse (542140151512), we get a palindrome (757291192757).

The spelling of 215151041245 in words is "two hundred fifteen billion, one hundred fifty-one million, forty-one thousand, two hundred forty-five".