40523512111 has 2 divisors, whose sum is σ = 40523512112. Its totient is φ = 40523512110.

The previous prime is 40523512069. The next prime is 40523512163. The reversal of 40523512111 is 11121532504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40523512111 - 2¹⁹ = 40522987823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40523519111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261756055 + 20261756056.

It is an arithmetic number, because the mean of its divisors is an integer number (20261756056).

Almost surely, 2^40523512111 is an apocalyptic number.

40523512111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40523512111 is an equidigital number, since it uses as much as digits as its factorization.

40523512111 is an evil number, because the sum of its binary digits is even.

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

The spelling of 40523512111 in words is "forty billion, five hundred twenty-three million, five hundred twelve thousand, one hundred eleven".