153480578817 has 4 divisors (see below), whose sum is σ = 204640771760. Its totient is φ = 102320385876.

The previous prime is 153480578773. The next prime is 153480578869. The reversal of 153480578817 is 718875084351.

It is a happy number.

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: 718875084351 = 3 ⋅239625028117.

It is not a de Polignac number, because 153480578817 - 2⁶ = 153480578753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153480573817) 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, 25580096467 + ... + 25580096472.

It is an arithmetic number, because the mean of its divisors is an integer number (51160192940).

Almost surely, 2^153480578817 is an apocalyptic number.

It is an amenable number.

153480578817 is a deficient number, since it is larger than the sum of its proper divisors (51160192943).

153480578817 is an equidigital number, since it uses as much as digits as its factorization.

153480578817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51160192942.

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 153480578817 in words is "one hundred fifty-three billion, four hundred eighty million, five hundred seventy-eight thousand, eight hundred seventeen".