152205959509 has 4 divisors (see below), whose sum is σ = 152308594816. Its totient is φ = 152103324204.

The previous prime is 152205959501. The next prime is 152205959533. The reversal of 152205959509 is 905959502251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 905959502251 = 97 ⋅9339788683.

It is a cyclic number.

It is not a de Polignac number, because 152205959509 - 2³ = 152205959501 is a prime.

It is a super-2 number, since 2×152205959509² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152205959501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51315429 + ... + 51318394.

It is an arithmetic number, because the mean of its divisors is an integer number (38077148704).

Almost surely, 2^152205959509 is an apocalyptic number.

It is an amenable number.

152205959509 is a deficient number, since it is larger than the sum of its proper divisors (102635307).

152205959509 is a wasteful number, since it uses less digits than its factorization.

152205959509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102635306.

The product of its (nonzero) digits is 1822500, while the sum is 52.

The spelling of 152205959509 in words is "one hundred fifty-two billion, two hundred five million, nine hundred fifty-nine thousand, five hundred nine".