40235105311 has 4 divisors (see below), whose sum is σ = 40377279112. Its totient is φ = 40092931512.

The previous prime is 40235105201. The next prime is 40235105329. The reversal of 40235105311 is 11350153204.

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 40235105311 - 2⁹ = 40235104799 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 (40235105381) 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, 71086476 + ... + 71087041.

It is an arithmetic number, because the mean of its divisors is an integer number (10094319778).

Almost surely, 2^40235105311 is an apocalyptic number.

40235105311 is a deficient number, since it is larger than the sum of its proper divisors (142173801).

40235105311 is a wasteful number, since it uses less digits than its factorization.

40235105311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142173800.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 40235105311 its reverse (11350153204), we get a palindrome (51585258515).

The spelling of 40235105311 in words is "forty billion, two hundred thirty-five million, one hundred five thousand, three hundred eleven".