427130209111 has 16 divisors (see below), whose sum is σ = 459657437184. Its totient is φ = 395915645664.

The previous prime is 427130209069. The next prime is 427130209127. The reversal of 427130209111 is 111902031724.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427130209111 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 (427130209511) 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, 1574716 + ... + 1825921.

It is an arithmetic number, because the mean of its divisors is an integer number (28728589824).

Almost surely, 2^427130209111 is an apocalyptic number.

427130209111 is a deficient number, since it is larger than the sum of its proper divisors (32527228073).

427130209111 is a wasteful number, since it uses less digits than its factorization.

427130209111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400830.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 427130209111 in words is "four hundred twenty-seven billion, one hundred thirty million, two hundred nine thousand, one hundred eleven".