153551340505 has 4 divisors (see below), whose sum is σ = 184261608612. Its totient is φ = 122841072400.

The previous prime is 153551340493. The next prime is 153551340511. The reversal of 153551340505 is 505043155351.

153551340505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 118223882569 + 35327457936 = 343837^2 + 187956^2 .

It is not a de Polignac number, because 153551340505 - 2¹³ = 153551332313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15355134046 + ... + 15355134055.

It is an arithmetic number, because the mean of its divisors is an integer number (46065402153).

Almost surely, 2^153551340505 is an apocalyptic number.

It is an amenable number.

153551340505 is a deficient number, since it is larger than the sum of its proper divisors (30710268107).

153551340505 is an equidigital number, since it uses as much as digits as its factorization.

153551340505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30710268106.

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 153551340505 its reverse (505043155351), we get a palindrome (658594495856).

The spelling of 153551340505 in words is "one hundred fifty-three billion, five hundred fifty-one million, three hundred forty thousand, five hundred five".