2155432505341 has 8 divisors (see below), whose sum is σ = 2293807542840. Its totient is φ = 2018344677888.

The previous prime is 2155432505321. The next prime is 2155432505363. The reversal of 2155432505341 is 1435052345512.

It can be written as a sum of positive squares in 4 ways, for example, as 1155474504900 + 999958000441 = 1074930^2 + 999979^2 .

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 2155432505341 - 2³⁵ = 2121072766973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155432505294 and 2155432505303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155432505321) 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, 321799056 + ... + 321805753.

It is an arithmetic number, because the mean of its divisors is an integer number (286725942855).

Almost surely, 2^{2155432505341} is an apocalyptic number.

It is an amenable number.

2155432505341 is a deficient number, since it is larger than the sum of its proper divisors (138375037499).

2155432505341 is a wasteful number, since it uses less digits than its factorization.

2155432505341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643605023.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 2155432505341 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-two million, five hundred five thousand, three hundred forty-one".