151215601617 has 12 divisors (see below), whose sum is σ = 218984038260. Its totient is φ = 100551246048.

The previous prime is 151215601597. The next prime is 151215601619. The reversal of 151215601617 is 716106512151.

151215601617 is a `hidden beast` number, since 1 + 51 + 21 + 560 + 16 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 83700854721 + 67514746896 = 289311^2 + 259836^2 .

It is not a de Polignac number, because 151215601617 - 2¹¹ = 151215599569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151215601619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21592558 + ... + 21599559.

It is an arithmetic number, because the mean of its divisors is an integer number (18248669855).

Almost surely, 2^151215601617 is an apocalyptic number.

It is an amenable number.

151215601617 is a deficient number, since it is larger than the sum of its proper divisors (67768436643).

151215601617 is a wasteful number, since it uses less digits than its factorization.

151215601617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43192512 (or 43192509 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The spelling of 151215601617 in words is "one hundred fifty-one billion, two hundred fifteen million, six hundred one thousand, six hundred seventeen".