152116156521 has 80 divisors (see below), whose sum is σ = 270537569280. Its totient is φ = 83346744960.

The previous prime is 152116156483. The next prime is 152116156523. The reversal of 152116156521 is 125651611251.

152116156521 is a `hidden beast` number, since 1 + 5 + 2 + 11 + 61 + 565 + 21 = 666.

It is not a de Polignac number, because 152116156521 - 2¹⁰ = 152116155497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152116156523) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1876195 + ... + 1955591.

It is an arithmetic number, because the mean of its divisors is an integer number (3381719616).

Almost surely, 2^152116156521 is an apocalyptic number.

It is an amenable number.

152116156521 is a deficient number, since it is larger than the sum of its proper divisors (118421412759).

152116156521 is a wasteful number, since it uses less digits than its factorization.

152116156521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79556 (or 79547 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

Adding to 152116156521 its reverse (125651611251), we get a palindrome (277767767772).

The spelling of 152116156521 in words is "one hundred fifty-two billion, one hundred sixteen million, one hundred fifty-six thousand, five hundred twenty-one".