155542322213 has 8 divisors (see below), whose sum is σ = 155824689600. Its totient is φ = 155260031680.

The previous prime is 155542322197. The next prime is 155542322279. The reversal of 155542322213 is 312223245551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155542322213 - 2⁴ = 155542322197 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 (155542322413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5383181 + ... + 5411997.

It is an arithmetic number, because the mean of its divisors is an integer number (19478086200).

Almost surely, 2^155542322213 is an apocalyptic number.

It is an amenable number.

155542322213 is a deficient number, since it is larger than the sum of its proper divisors (282367387).

155542322213 is an equidigital number, since it uses as much as digits as its factorization.

155542322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38427.

The product of its digits is 72000, while the sum is 35.

Adding to 155542322213 its reverse (312223245551), we get a palindrome (467765567764).

The spelling of 155542322213 in words is "one hundred fifty-five billion, five hundred forty-two million, three hundred twenty-two thousand, two hundred thirteen".