121300155441345 has 8 divisors (see below), whose sum is σ = 194080248706176. Its totient is φ = 64693416235376.

The previous prime is 121300155441343. The next prime is 121300155441401. The reversal of 121300155441345 is 543144551003121.

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 121300155441345 - 2¹ = 121300155441343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121300155441343) 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, 4043338514697 + ... + 4043338514726.

It is an arithmetic number, because the mean of its divisors is an integer number (24260031088272).

Almost surely, 2^{121300155441345} is an apocalyptic number.

121300155441345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121300155441345 is a deficient number, since it is larger than the sum of its proper divisors (72780093264831).

121300155441345 is an equidigital number, since it uses as much as digits as its factorization.

121300155441345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086677029431.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 121300155441345 in words is "one hundred twenty-one trillion, three hundred billion, one hundred fifty-five million, four hundred forty-one thousand, three hundred forty-five".