151368815217 has 32 divisors (see below), whose sum is σ = 209919376384. Its totient is φ = 96916435200.

The previous prime is 151368815203. The next prime is 151368815239. The reversal of 151368815217 is 712518863151.

It is a happy number.

It is not a de Polignac number, because 151368815217 - 2¹⁹ = 151368290929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151368815267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12799167 + ... + 12810987.

It is an arithmetic number, because the mean of its divisors is an integer number (6559980512).

Almost surely, 2^151368815217 is an apocalyptic number.

It is an amenable number.

151368815217 is a deficient number, since it is larger than the sum of its proper divisors (58550561167).

151368815217 is a wasteful number, since it uses less digits than its factorization.

151368815217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12889.

The product of its digits is 403200, while the sum is 48.

The spelling of 151368815217 in words is "one hundred fifty-one billion, three hundred sixty-eight million, eight hundred fifteen thousand, two hundred seventeen".