40150505501 has 2 divisors, whose sum is σ = 40150505502. Its totient is φ = 40150505500.

The previous prime is 40150505477. The next prime is 40150505503. The reversal of 40150505501 is 10550505104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40149739876 + 765625 = 200374^2 + 875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40150505501 is a prime.

It is a super-2 number, since 2×40150505501² (a number of 22 digits) contains 22 as substring.

Together with 40150505503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40150505503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20075252750 + 20075252751.

It is an arithmetic number, because the mean of its divisors is an integer number (20075252751).

Almost surely, 2^40150505501 is an apocalyptic number.

It is an amenable number.

40150505501 is a deficient number, since it is larger than the sum of its proper divisors (1).

40150505501 is an equidigital number, since it uses as much as digits as its factorization.

40150505501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 40150505501 in words is "forty billion, one hundred fifty million, five hundred five thousand, five hundred one".