40231533611 has 2 divisors, whose sum is σ = 40231533612. Its totient is φ = 40231533610.

The previous prime is 40231533571. The next prime is 40231533677. The reversal of 40231533611 is 11633513204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40231533611 is a prime.

It is not a weakly prime, because it can be changed into another prime (40231532611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115766805 + 20115766806.

It is an arithmetic number, because the mean of its divisors is an integer number (20115766806).

Almost surely, 2^40231533611 is an apocalyptic number.

40231533611 is a deficient number, since it is larger than the sum of its proper divisors (1).

40231533611 is an equidigital number, since it uses as much as digits as its factorization.

40231533611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 40231533611 in words is "forty billion, two hundred thirty-one million, five hundred thirty-three thousand, six hundred eleven".