421112165410155 has 8 divisors (see below), whose sum is σ = 673779464656272. Its totient is φ = 224593154885408.

The previous prime is 421112165410121. The next prime is 421112165410159. The reversal of 421112165410155 is 551014561211124.

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 421112165410155 - 2²⁶ = 421112098301291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421112165410159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14037072180324 + ... + 14037072180353.

It is an arithmetic number, because the mean of its divisors is an integer number (84222433082034).

Almost surely, 2^{421112165410155} is an apocalyptic number.

421112165410155 is a deficient number, since it is larger than the sum of its proper divisors (252667299246117).

421112165410155 is a wasteful number, since it uses less digits than its factorization.

421112165410155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074144360685.

The product of its (nonzero) digits is 48000, while the sum is 39.

The spelling of 421112165410155 in words is "four hundred twenty-one trillion, one hundred twelve billion, one hundred sixty-five million, four hundred ten thousand, one hundred fifty-five".