155315080847 has 4 divisors (see below), whose sum is σ = 160670773320. Its totient is φ = 149959388376.

The previous prime is 155315080829. The next prime is 155315080861. The reversal of 155315080847 is 748080513551.

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

It is a cyclic number.

It is not a de Polignac number, because 155315080847 - 2¹⁰ = 155315079823 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 (155315080147) 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, 2677846193 + ... + 2677846250.

It is an arithmetic number, because the mean of its divisors is an integer number (40167693330).

Almost surely, 2^155315080847 is an apocalyptic number.

155315080847 is a deficient number, since it is larger than the sum of its proper divisors (5355692473).

155315080847 is an equidigital number, since it uses as much as digits as its factorization.

155315080847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355692472.

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 155315080847 in words is "one hundred fifty-five billion, three hundred fifteen million, eighty thousand, eight hundred forty-seven".