421141511 has 16 divisors (see below), whose sum is σ = 496857600. Its totient is φ = 349414560.

The previous prime is 421141507. The next prime is 421141537. The reversal of 421141511 is 115141124.

It is a cyclic number.

It is not a de Polignac number, because 421141511 - 2² = 421141507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421141711) 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, 47456 + ... + 55626.

It is an arithmetic number, because the mean of its divisors is an integer number (31053600).

Almost surely, 2^421141511 is an apocalyptic number.

421141511 is a deficient number, since it is larger than the sum of its proper divisors (75716089).

421141511 is a wasteful number, since it uses less digits than its factorization.

421141511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414.

The product of its digits is 160, while the sum is 20.

The square root of 421141511 is about 20521.7326510215. The cubic root of 421141511 is about 749.5650877023.

Adding to 421141511 its reverse (115141124), we get a palindrome (536282635).

The spelling of 421141511 in words is "four hundred twenty-one million, one hundred forty-one thousand, five hundred eleven".