155041024441 has 4 divisors (see below), whose sum is σ = 158822512884. Its totient is φ = 151259536000.

The previous prime is 155041024433. The next prime is 155041024477. The reversal of 155041024441 is 144420140551.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70386212416 + 84654812025 = 265304^2 + 290955^2 .

It is a cyclic number.

It is not a de Polignac number, because 155041024441 - 2³ = 155041024433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155041024241) 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, 1890744160 + ... + 1890744241.

It is an arithmetic number, because the mean of its divisors is an integer number (39705628221).

Almost surely, 2^155041024441 is an apocalyptic number.

It is an amenable number.

155041024441 is a deficient number, since it is larger than the sum of its proper divisors (3781488443).

155041024441 is an equidigital number, since it uses as much as digits as its factorization.

155041024441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781488442.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 155041024441 its reverse (144420140551), we get a palindrome (299461164992).

The spelling of 155041024441 in words is "one hundred fifty-five billion, forty-one million, twenty-four thousand, four hundred forty-one".