155055165603153 has 4 divisors (see below), whose sum is σ = 206740220804208. Its totient is φ = 103370110402100.

The previous prime is 155055165603139. The next prime is 155055165603167. The reversal of 155055165603153 is 351306561550551.

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.

It is an interprime number because it is at equal distance from previous prime (155055165603139) and next prime (155055165603167).

It is a cyclic number.

It is not a de Polignac number, because 155055165603153 - 2⁶ = 155055165603089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155055165603096 and 155055165603105.

It is not an unprimeable number, because it can be changed into a prime (155055165603133) 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, 25842527600523 + ... + 25842527600528.

It is an arithmetic number, because the mean of its divisors is an integer number (51685055201052).

Almost surely, 2^{155055165603153} is an apocalyptic number.

It is an amenable number.

155055165603153 is a deficient number, since it is larger than the sum of its proper divisors (51685055201055).

155055165603153 is an equidigital number, since it uses as much as digits as its factorization.

155055165603153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51685055201054.

The product of its (nonzero) digits is 5062500, while the sum is 51.

The spelling of 155055165603153 in words is "one hundred fifty-five trillion, fifty-five billion, one hundred sixty-five million, six hundred three thousand, one hundred fifty-three".