151222115215 has 24 divisors (see below), whose sum is σ = 186602778432. Its totient is φ = 117645436800.

The previous prime is 151222115189. The next prime is 151222115227. The reversal of 151222115215 is 512511222151.

It is not a de Polignac number, because 151222115215 - 2⁵ = 151222115183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16087897 + ... + 16097293.

It is an arithmetic number, because the mean of its divisors is an integer number (7775115768).

Almost surely, 2^151222115215 is an apocalyptic number.

151222115215 is a deficient number, since it is larger than the sum of its proper divisors (35380663217).

151222115215 is an equidigital number, since it uses as much as digits as its factorization.

151222115215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827 (or 11790 counting only the distinct ones).

The product of its digits is 2000, while the sum is 28.

Adding to 151222115215 its reverse (512511222151), we get a palindrome (663733337366).

The spelling of 151222115215 in words is "one hundred fifty-one billion, two hundred twenty-two million, one hundred fifteen thousand, two hundred fifteen".