153819538855 has 4 divisors (see below), whose sum is σ = 184583446632. Its totient is φ = 123055631080.

The previous prime is 153819538853. The next prime is 153819538877. The reversal of 153819538855 is 558835918351.

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

It is not a de Polignac number, because 153819538855 - 2¹ = 153819538853 is a prime.

It is a super-2 number, since 2×153819538855² (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 = 153819538793 and 153819538802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153819538853) 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, 15381953881 + ... + 15381953890.

It is an arithmetic number, because the mean of its divisors is an integer number (46145861658).

Almost surely, 2^153819538855 is an apocalyptic number.

153819538855 is a deficient number, since it is larger than the sum of its proper divisors (30763907777).

153819538855 is an equidigital number, since it uses as much as digits as its factorization.

153819538855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30763907776.

The product of its digits is 25920000, while the sum is 61.

The spelling of 153819538855 in words is "one hundred fifty-three billion, eight hundred nineteen million, five hundred thirty-eight thousand, eight hundred fifty-five".