40515355111 has 48 divisors (see below), whose sum is σ = 53878134528. Its totient is φ = 29495289600.

The previous prime is 40515355091. The next prime is 40515355141. The reversal of 40515355111 is 11155351504.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40515355111 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 (40515355141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105784026 + ... + 105784408.

It is an arithmetic number, because the mean of its divisors is an integer number (1122461136).

Almost surely, 2^40515355111 is an apocalyptic number.

40515355111 is a deficient number, since it is larger than the sum of its proper divisors (13362779417).

40515355111 is a wasteful number, since it uses less digits than its factorization.

40515355111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 40515355111 in words is "forty billion, five hundred fifteen million, three hundred fifty-five thousand, one hundred eleven".