152506404431 has 4 divisors (see below), whose sum is σ = 152511922200. Its totient is φ = 152500886664.

The previous prime is 152506404373. The next prime is 152506404433. The reversal of 152506404431 is 134404605251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134404605251 = 7 ⋅19200657893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152506404431 is a prime.

It is a super-2 number, since 2×152506404431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152506404391 and 152506404400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152506404433) 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, 2717216 + ... + 2772773.

It is an arithmetic number, because the mean of its divisors is an integer number (38127980550).

Almost surely, 2^152506404431 is an apocalyptic number.

152506404431 is a deficient number, since it is larger than the sum of its proper divisors (5517769).

152506404431 is an equidigital number, since it uses as much as digits as its factorization.

152506404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517768.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 152506404431 in words is "one hundred fifty-two billion, five hundred six million, four hundred four thousand, four hundred thirty-one".