155204664353 has 4 divisors (see below), whose sum is σ = 155231369748. Its totient is φ = 155177958960.

The previous prime is 155204664343. The next prime is 155204664361. The reversal of 155204664353 is 353466402551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353466402551 = 87679 ⋅4031369.

It can be written as a sum of positive squares in 2 ways, for example, as 73415528209 + 81789136144 = 270953^2 + 285988^2 .

It is a cyclic number.

It is not a de Polignac number, because 155204664353 - 2¹⁶ = 155204598817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155204664343) 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, 13343978 + ... + 13355603.

It is an arithmetic number, because the mean of its divisors is an integer number (38807842437).

Almost surely, 2^155204664353 is an apocalyptic number.

It is an amenable number.

155204664353 is a deficient number, since it is larger than the sum of its proper divisors (26705395).

155204664353 is an equidigital number, since it uses as much as digits as its factorization.

155204664353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26705394.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 155204664353 in words is "one hundred fifty-five billion, two hundred four million, six hundred sixty-four thousand, three hundred fifty-three".