40551113117 has 2 divisors, whose sum is σ = 40551113118. Its totient is φ = 40551113116.

The previous prime is 40551113107. The next prime is 40551113129. The reversal of 40551113117 is 71131115504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37025841241 + 3525271876 = 192421^2 + 59374^2 .

It is a cyclic number.

It is not a de Polignac number, because 40551113117 - 2⁴ = 40551113101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40551113117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40551113107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20275556558 + 20275556559.

It is an arithmetic number, because the mean of its divisors is an integer number (20275556559).

Almost surely, 2^40551113117 is an apocalyptic number.

It is an amenable number.

40551113117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40551113117 is an equidigital number, since it uses as much as digits as its factorization.

40551113117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 40551113117 in words is "forty billion, five hundred fifty-one million, one hundred thirteen thousand, one hundred seventeen".