40523512105 has 16 divisors (see below), whose sum is σ = 48832547328. Its totient is φ = 32282712000.

The previous prime is 40523512069. The next prime is 40523512111. The reversal of 40523512105 is 50121532504.

It is not a de Polignac number, because 40523512105 - 2⁹ = 40523511593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124935 + ... + 3137875.

It is an arithmetic number, because the mean of its divisors is an integer number (3052034208).

Almost surely, 2^40523512105 is an apocalyptic number.

It is an amenable number.

40523512105 is a deficient number, since it is larger than the sum of its proper divisors (8309035223).

40523512105 is a wasteful number, since it uses less digits than its factorization.

40523512105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15528.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 40523512105 in words is "forty billion, five hundred twenty-three million, five hundred twelve thousand, one hundred five".