155324331401 has 8 divisors (see below), whose sum is σ = 157666682784. Its totient is φ = 152982688320.

The previous prime is 155324331361. The next prime is 155324331419. The reversal of 155324331401 is 104133423551.

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 155324331401 - 2¹⁰ = 155324330377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155324331431) 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, 273386 + ... + 620796.

It is an arithmetic number, because the mean of its divisors is an integer number (19708335348).

Almost surely, 2^155324331401 is an apocalyptic number.

It is an amenable number.

155324331401 is a deficient number, since it is larger than the sum of its proper divisors (2342351383).

155324331401 is an equidigital number, since it uses as much as digits as its factorization.

155324331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354151.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 155324331401 its reverse (104133423551), we get a palindrome (259457754952).

The spelling of 155324331401 in words is "one hundred fifty-five billion, three hundred twenty-four million, three hundred thirty-one thousand, four hundred one".