40531123055 has 4 divisors (see below), whose sum is σ = 48637347672. Its totient is φ = 32424898440.

The previous prime is 40531123021. The next prime is 40531123069. The reversal of 40531123055 is 55032113504.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40531123055 - 2⁸ = 40531122799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053112301 + ... + 4053112310.

It is an arithmetic number, because the mean of its divisors is an integer number (12159336918).

Almost surely, 2^40531123055 is an apocalyptic number.

40531123055 is a deficient number, since it is larger than the sum of its proper divisors (8106224617).

40531123055 is an equidigital number, since it uses as much as digits as its factorization.

40531123055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106224616.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 40531123055 its reverse (55032113504), we get a palindrome (95563236559).

The spelling of 40531123055 in words is "forty billion, five hundred thirty-one million, one hundred twenty-three thousand, fifty-five".