12155405341 has 8 divisors (see below), whose sum is σ = 12460303800. Its totient is φ = 11850908160.

The previous prime is 12155405299. The next prime is 12155405347. The reversal of 12155405341 is 14350455121.

It can be written as a sum of positive squares in 4 ways, for example, as 4972900 + 12150432441 = 2230^2 + 110229^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12155405341 is a prime.

It is a super-2 number, since 2×12155405341² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12155405347) 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, 38506 + ... + 160603.

It is an arithmetic number, because the mean of its divisors is an integer number (1557537975).

Almost surely, 2^12155405341 is an apocalyptic number.

It is an amenable number.

12155405341 is a deficient number, since it is larger than the sum of its proper divisors (304898459).

12155405341 is a wasteful number, since it uses less digits than its factorization.

12155405341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200639.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12155405341 in words is "twelve billion, one hundred fifty-five million, four hundred five thousand, three hundred forty-one".