421055445115 has 16 divisors (see below), whose sum is σ = 519554635200. Its totient is φ = 327341139840.

The previous prime is 421055445113. The next prime is 421055445191. The reversal of 421055445115 is 511544550124.

It is not a de Polignac number, because 421055445115 - 2¹ = 421055445113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (421055445113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234215 + ... + 1537984.

It is an arithmetic number, because the mean of its divisors is an integer number (32472164700).

Almost surely, 2^421055445115 is an apocalyptic number.

421055445115 is a deficient number, since it is larger than the sum of its proper divisors (98499190085).

421055445115 is a wasteful number, since it uses less digits than its factorization.

421055445115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773062.

The product of its (nonzero) digits is 80000, while the sum is 37.

Adding to 421055445115 its reverse (511544550124), we get a palindrome (932599995239).

The spelling of 421055445115 in words is "four hundred twenty-one billion, fifty-five million, four hundred forty-five thousand, one hundred fifteen".