155353316441 has 4 divisors (see below), whose sum is σ = 163529806800. Its totient is φ = 147176826084.

The previous prime is 155353316411. The next prime is 155353316473. The reversal of 155353316441 is 144613353551.

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: 144613353551 = 59 ⋅2451073789.

It is a cyclic number.

It is not a de Polignac number, because 155353316441 - 2¹⁰ = 155353315417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155353316401) 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, 4088245151 + ... + 4088245188.

It is an arithmetic number, because the mean of its divisors is an integer number (40882451700).

Almost surely, 2^155353316441 is an apocalyptic number.

It is an amenable number.

155353316441 is a deficient number, since it is larger than the sum of its proper divisors (8176490359).

155353316441 is an equidigital number, since it uses as much as digits as its factorization.

155353316441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176490358.

The product of its digits is 324000, while the sum is 41.

Adding to 155353316441 its reverse (144613353551), we get a palindrome (299966669992).

The spelling of 155353316441 in words is "one hundred fifty-five billion, three hundred fifty-three million, three hundred sixteen thousand, four hundred forty-one".