40155335111 has 4 divisors (see below), whose sum is σ = 40260179712. Its totient is φ = 40050490512.

The previous prime is 40155335081. The next prime is 40155335123. The reversal of 40155335111 is 11153355104.

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 40155335111 - 2⁶ = 40155335047 is a prime.

It is a super-2 number, since 2×40155335111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155335131) 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, 52421726 + ... + 52422491.

It is an arithmetic number, because the mean of its divisors is an integer number (10065044928).

Almost surely, 2^40155335111 is an apocalyptic number.

40155335111 is a deficient number, since it is larger than the sum of its proper divisors (104844601).

40155335111 is a wasteful number, since it uses less digits than its factorization.

40155335111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104844600.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 40155335111 in words is "forty billion, one hundred fifty-five million, three hundred thirty-five thousand, one hundred eleven".