153120443605 has 4 divisors (see below), whose sum is σ = 183744532332. Its totient is φ = 122496354880.

The previous prime is 153120443603. The next prime is 153120443617. The reversal of 153120443605 is 506344021351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28204851249 + 124915592356 = 167943^2 + 353434^2 .

It is not a de Polignac number, because 153120443605 - 2¹ = 153120443603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153120443603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15312044356 + ... + 15312044365.

It is an arithmetic number, because the mean of its divisors is an integer number (45936133083).

Almost surely, 2^153120443605 is an apocalyptic number.

It is an amenable number.

153120443605 is a deficient number, since it is larger than the sum of its proper divisors (30624088727).

153120443605 is an equidigital number, since it uses as much as digits as its factorization.

153120443605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30624088726.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 153120443605 its reverse (506344021351), we get a palindrome (659464464956).

The spelling of 153120443605 in words is "one hundred fifty-three billion, one hundred twenty million, four hundred forty-three thousand, six hundred five".