34140020111 has 4 divisors (see below), whose sum is σ = 34141603800. Its totient is φ = 34138436424.

The previous prime is 34140020107. The next prime is 34140020147. The reversal of 34140020111 is 11102004143.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34140020111 - 2² = 34140020107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34140020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759056 + ... + 802773.

It is an arithmetic number, because the mean of its divisors is an integer number (8535400950).

Almost surely, 2^34140020111 is an apocalyptic number.

34140020111 is a deficient number, since it is larger than the sum of its proper divisors (1583689).

34140020111 is a wasteful number, since it uses less digits than its factorization.

34140020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583688.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 34140020111 its reverse (11102004143), we get a palindrome (45242024254).

The spelling of 34140020111 in words is "thirty-four billion, one hundred forty million, twenty thousand, one hundred eleven".