35540221111 has 4 divisors (see below), whose sum is σ = 36142597800. Its totient is φ = 34937844424.

The previous prime is 35540221109. The next prime is 35540221121. The reversal of 35540221111 is 11112204553.

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 35540221111 - 2¹ = 35540221109 is a prime.

It is a super-4 number, since 4×35540221111⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35540221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301188256 + ... + 301188373.

It is an arithmetic number, because the mean of its divisors is an integer number (9035649450).

Almost surely, 2^35540221111 is an apocalyptic number.

35540221111 is a deficient number, since it is larger than the sum of its proper divisors (602376689).

35540221111 is an equidigital number, since it uses as much as digits as its factorization.

35540221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602376688.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 35540221111 its reverse (11112204553), we get a palindrome (46652425664).

The spelling of 35540221111 in words is "thirty-five billion, five hundred forty million, two hundred twenty-one thousand, one hundred eleven".